17-二次函数综合题
一、单选题
单选题
|
困难(0.15)
二次函数
与动直线
交于
,
两点,线段
中点为
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4d5bd3facffa6e0e66ca43b7360f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e755804d23862a82d32bd7f901c23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa7845a64b2a7a785cebc0511087615.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 线段周长问题(二次函数综合) 线段问题(轴对称综合题)
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4卷引用:2023年福建省三明市宁化县中考模拟数学试题
2023九年级·安徽·专题练习
单选题
|
适中(0.65)
已知二次函数
(a为常数)经过点
,图象与x轴交于点A、B(A在B的左边),连接
,点P是抛物线图象在第一象限内的一点,过点P作
交于点Q,若
取得最大值,则此时点P的横坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889f5d9b5630445c4d2146ed70c7a9dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62dfe60e2f098c466a048b982151365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f24325565a9dd95128a633a240da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/7/31c9b64e-797c-447a-9204-865a844cb7b0.png?resizew=204)
A.![]() | B.![]() | C.1 | D.2 |
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4卷引用:专题07 分析判断函数图象问题(针对第9、10题)(真题3个考点模拟13个考点) -学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(安徽专用)
(已下线)专题07 分析判断函数图象问题(针对第9、10题)(真题3个考点模拟13个考点) -学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(安徽专用)(已下线)专题05 函数及其图像(真题7个考点模拟21个考点) -学易金卷:5年(2019-2023)中考1年模拟数学真题分项汇编(安徽专用)2023年安徽省六安市舒城县中考模拟数学试题17-二次函数综合题
单选题
|
适中(0.65)
已知点P,Q的坐标分别为
,
,连接
,若线段
与函数
的图象有且仅有两个公共点,则m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf2f6974c1aa188402b45aad91e3211d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89afbb2cadae4b3dda6927d7eb8c6779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b071fa4229651b867edae2176f563309.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2卷引用:浙江省湖州市2023-2024学年九年级上学期期末数学试题
单选题
|
较难(0.4)
如图,在平面直角坐标系
中,点
,
,…,都在
轴正半轴上,点
在二次函数
图象上,以
,
为邻边作平行四边形
,且
,延长
与二次函数
图象交于点
;以,
为邻边作平行四边形
,且
,延长
与二次函数
图象交于点
;…;按此规律进行下去,若
的横坐标为1,则
的坐标为( )
![](https://img.xkw.com/dksih/QBM/2023/1/4/3145446797533184/3149650510086144/STEM/428ecf3f36f14c7da32dae10668f964d.png?resizew=95)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac42f0a061cd4fe9db72f8717a5ab173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4195334905e2f190f958dbf5951456f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec275f823ae17afdba53301fcbd2aa43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f35d4ede5b91b03d09a99262de2693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a025a2eee1c19caaa124e8c8b67a0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab35850dbc661ded6456b70767cc6cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac42f0a061cd4fe9db72f8717a5ab173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce67302a7f18c69d71b65db2aa273120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07347d7a2282576f756152cd08c5389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb147e46c0025b8e1634160e0e1c1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3087eeade429d61a5daf5b3921f2c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac42f0a061cd4fe9db72f8717a5ab173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb23814c40a4929a6483d60a413968da.png)
![](https://img.xkw.com/dksih/QBM/2023/1/4/3145446797533184/3149650510086144/STEM/428ecf3f36f14c7da32dae10668f964d.png?resizew=95)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
376次组卷
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4卷引用:辽宁省鞍山市2022-2023学年九年级上学期期末数学试题
辽宁省鞍山市2022-2023学年九年级上学期期末数学试题(已下线)专题22.10 二次函数章末拔尖卷-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题1.10 二次函数章末拔尖卷-2023-2024学年九年级数学上册举一反三系列(浙教版)17-二次函数综合题
单选题
|
较难(0.4)
名校
如图,在平面直角坐标系中,二次函数
的图象与x轴交于A、C两点,与y轴交于点B,若P是x轴上一动点,点Q(0,2)在y轴上,连接PQ,则
的最小值是( )
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896250835673088/2919115734884352/STEM/5460daa2-27d8-4910-9893-b0fc7db48193.png?resizew=182)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c8ccae07769aab6fe049f87407d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69c37bbe3bd9510884d0ae05ac3c7dc.png)
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896250835673088/2919115734884352/STEM/5460daa2-27d8-4910-9893-b0fc7db48193.png?resizew=182)
A.6 | B.![]() | C.![]() | D.![]() |
【知识点】 抛物线与x轴的交点问题解读 线段周长问题(二次函数综合)
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11卷引用:广东省汕头市澄海区2021-2022学年九年级上学期期末数学试题
广东省汕头市澄海区2021-2022学年九年级上学期期末数学试题2022年安徽省九年级下学期中考数学模拟试题(已下线)(广东卷)2022年中考数学第一次模拟考试(已下线)专题20 胡不归小题-【微专题】2022-2023学年九年级数学下册常考点微专题提分精练(苏科版)广东省汕头经济特区林百欣中学2022-2023学年九年级上学期数学科综合素质摸查试题(第14周)(已下线)专题39 几何图形模型胡不归问题专项训练-2023年中考数学二轮复习核心考点专题提优拓展训练(已下线)专题22.38 二次函数(全章分层练习)(培优练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)(已下线)专题21.16 二次函数与反比例函数章末十六大题型总结(拔尖篇)-2023-2024学年九年级数学上册举一反三系列(沪科版)(已下线)专题22.12 二次函数章末九大题型总结(拔尖篇)-2023-2024学年九年级数学上册举一反三系列(人教版)(已下线)专题1.12 二次函数章末九大题型总结(拔尖篇)-2023-2024学年九年级数学上册举一反三系列(浙教版)17-二次函数综合题
单选题
|
较难(0.4)
如图,抛物线
与
轴交于点
和点
两点,与
轴交于点
,
点为抛物线上第三象限内一动点,当
时,点
的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/7cd7147d-ae3d-41bd-a65f-40a47b71ffc2.png?resizew=308)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cb12e5dddc40f55510ecfdae8c0f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9811ae27264b5bd173c174bc7f11832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/7cd7147d-ae3d-41bd-a65f-40a47b71ffc2.png?resizew=308)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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5卷引用:浙江省宁波市余姚市子陵中学教育集团2022-2023学年九年级上学期11月月考数学试题
浙江省宁波市余姚市子陵中学教育集团2022-2023学年九年级上学期11月月考数学试题浙江省宁波市兰江中学2022-2023学年九年级上学期期中数学试题浙江省台州市椒江区华东师范大学附属台州学校2023-2024学年九年级上学期期中数学试题(已下线)专题04 二次函数 (1大易错点分析+20个易错点+易错题通关)-备战2024年中考数学考试易错题(江苏专用)17-二次函数综合题
单选题
|
较难(0.4)
名校
如图,抛物线
与
轴相交于点
,抛物线顶点为
,点
坐标为
,作射线
,将射线
沿直线
翻折得到射线
,
与抛物线交于点
,则点
的横坐标为( )
![](https://img.xkw.com/dksih/QBM/2021/10/22/2834984252514304/2837129002295296/STEM/4a9b5be0-f9ab-41ae-ae26-aeb41c5fcded.png?resizew=204)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6848f78356c960cf763530a04c2735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2021/10/22/2834984252514304/2837129002295296/STEM/4a9b5be0-f9ab-41ae-ae26-aeb41c5fcded.png?resizew=204)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-10-29更新
|
657次组卷
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2卷引用:重庆育才中学教育集团2021-2022学年九年级上学期第一次自主作业数学试题
单选题
|
较难(0.4)
名校
如图,抛物线
的图象与坐标轴交于点A,B,D,顶点为E,以AB为直径画半圆交y负半轴交于点C,圆心为M,P是半圆上的一动点,连接EP.
①点E在⊙M的内部;
②CD的长为
;
③若P与C重合,则∠DPE=15°;
④在P的运动过程中,若
,则
;
⑤N是PE的中点,当P沿半圆从点A运动至点B时,点N运动的路径长是π.
则正确的选项为( )
![](https://img.xkw.com/dksih/QBM/2021/6/23/2754369480261632/2782442690994176/STEM/fd79e6a4278f4269a6d64160ff88ac7c.png?resizew=249)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e55449252cd36e54b56ba326cbac01.png)
①点E在⊙M的内部;
②CD的长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb73d42e61e008294cff33ee980b788.png)
③若P与C重合,则∠DPE=15°;
④在P的运动过程中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3c34fe8c99745f61e57db23bbdb1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1759086181ec2bd27a6f1287f30a930.png)
⑤N是PE的中点,当P沿半圆从点A运动至点B时,点N运动的路径长是π.
则正确的选项为( )
![](https://img.xkw.com/dksih/QBM/2021/6/23/2754369480261632/2782442690994176/STEM/fd79e6a4278f4269a6d64160ff88ac7c.png?resizew=249)
A.①②④ | B.②③④ | C.②③⑤ | D.③④⑤ |
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3卷引用:湖南省长沙市开福区青竹湖湘一外国语学校2019-2020学年八年级下学期期末数学试题
单选题
|
较难(0.4)
已知抛物线
的图象与
轴交于
,
两点(点
在点
的左则),与
轴交于点
,连接
,直线
与
轴交于点D,交
上方的拋物线于点
,交
于点
,下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a984be57a5d2788e89d22ea0964f71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cbd5fa646a9a9fbfd3d61b4225f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
A.点C的坐标是![]() | B.![]() |
C.当![]() ![]() | D.![]() |
【知识点】 判断三边能否构成直角三角形解读 其他问题(二次函数综合)
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704次组卷
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5卷引用:2023年福建省漳州市初中毕业班第一次质量检测数学试题
2023年福建省漳州市初中毕业班第一次质量检测数学试题2023山东省济南市长清区东城校际联合体中考二模数学试题(已下线)2023年山东省济南市长清区东城校际联合体中考二模数学试题变式题6-10题(已下线)2023年福建一模(二次函数综合)17-二次函数综合题
19-20九年级下·浙江杭州·期末
单选题
|
困难(0.15)
已知二次函数
与x轴交于A,B两点,与y轴交于点C.下列说法正确的是( )
①线段
的长度为
;②抛物线的对称轴为直线
;③P是此抛物线的对称轴上的一个动点,当P点坐标为
时,
的值最大;④若M是x轴上的一个动点,N是此抛物线上的一个动点,如果以A,C,M,N为顶点的四边形是平行四边形,满足条件的M点有4个.
![](https://img.xkw.com/dksih/QBM/2021/2/2/2649322072104960/2649975869816832/STEM/cc806da7-ed53-47d0-af35-ef76f3fa5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d491430a2b1e2ec1b8983f0cabe398ea.png)
①线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07527f73ad63ae4c9787398f76ec79cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c716601286ac3ef51a4c3c16b12e260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d997da5f73a079453bb90c86f9bcc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358fc84845695e6eb58ffdf82394a16b.png)
![](https://img.xkw.com/dksih/QBM/2021/2/2/2649322072104960/2649975869816832/STEM/cc806da7-ed53-47d0-af35-ef76f3fa5d75.png)
A.①② | B.①②③ | C.①②④ | D.③④ |
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|
1749次组卷
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5卷引用:【新东方】 初中数学960【2019年】【初三下】
(已下线)【新东方】 初中数学960【2019年】【初三下】2022年湖北省随州市广水市九年级4月适应性考试数学试题湖北省黄石市2022-2023学年九年级下学期三月调考数学试卷2023年广东省东莞市宏远外国语学校中考一模数学试卷17-二次函数综合题
二、填空题
19-20九年级下·浙江·期中
填空题
|
较难(0.4)
如图,已知在平面直角坐标系
中,抛物线
的顶点为
,与
轴的交点为
,过点
的直线
与抛物线交于另一点
(点
在对称轴左侧),点
在
的延长线上,连结
和
.当四边形
是平行四边形时,则点
的坐标为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b0991317dc865768ca2704d9637749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2bc9cea249f3434cbd08438e397da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef117e9394e1d224b4054779cb870ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7110a27677d14db9991cbc80f9fb4edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/2021/4/12/2698277038882816/2698336495525888/STEM/171f07be-ac4b-47d8-9b76-2d77adc933a1.png)
您最近一年使用:0次
填空题
|
较难(0.4)
名校
如图,抛物线y =
的图象与坐标轴交于A、B、D,顶点为E,以AB为直径画半圆交y轴的正半轴于点C,圆心为M,P是半圆上的一动点,连接EP,N是PE的中点,当P沿半圆从点A运动至点B时,点N运动的路径长是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f00e9565d4156cf2a6a5fbcb3eca76.png)
![](https://img.xkw.com/dksih/QBM/2021/2/27/2667222728499200/2673344792993792/STEM/ade66380d59b47d2b971fdc7cb93d040.png?resizew=284)
【知识点】 其他问题(二次函数综合)
您最近一年使用:0次
2021-03-08更新
|
532次组卷
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4卷引用:江苏省盐城市初级中学2020-2021学年九年级上学期期末数学试题
填空题
|
较难(0.4)
如图,二次函数
的图像与
轴交于
、
两点(
在
的左侧),与
轴交于点
,连接
,在线段
上有一动点
,过点
作
轴的平行线交二次函数的图像于点
,交
轴于点
,若
与
相似,则点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bdb3e5cc651dd4b3e1ed82687327bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a360a2f662b9996c2c7980b8672fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b886208c6c2df19b984f2631e1c996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/b5e0a357-e176-4587-8d71-b34c0e9d878b.png?resizew=157)
您最近一年使用:0次
2024-01-01更新
|
245次组卷
|
2卷引用:江苏省无锡市江阴市南菁高级中学实验学校2023-2024学年九年级上学期12月月考数学试题
填空题
|
较难(0.4)
已知抛物线
和直线
,我们定义新函数M,若
,则
;若
,则
;若
,则
.下列结论:①无论k为何值,抛物线
与直线
总有交点;②若
,则当
时,M有最小值3;③若当
时,M的值随x的值增大而增大,则
;④当
时,方程
有三个不等实根.其中正确的结论是______ .(填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ddab22ef24a6a23ca73ce8db0be9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a33e4132decf7ed63e36a95ea9081a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727cd8ab7ab7610f0832de909796fcbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2858fca794d176940b772db318ac341f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac67e9a909472ab852d38d2ec66a1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d155b9bf6d5e37d4b3bea6595baa0a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ddab22ef24a6a23ca73ce8db0be9cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a33e4132decf7ed63e36a95ea9081a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a4eaa80b44625890339d6a0065c241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afac93e0089a7ffca9a1f720e13b6878.png)
您最近一年使用:0次
2023-08-06更新
|
453次组卷
|
3卷引用:2023年湖北省武汉市江汉区中考模拟数学试题(一)
2023年湖北省武汉市江汉区中考模拟数学试题(一)(已下线)专题03 二次函数的图像与性质(4类经典题型+优选提升)-【好题汇编】备战2023-2024学年九年级数学上学期期中真题分类汇编(人教版)17-二次函数综合题
填空题
|
较难(0.4)
如图,在平面直角坐标系中,抛物线
的顶点为A,与x轴交于O,B两点,点
是线段OB上一动点,过点P作y轴的平行线,交直线
于点E,交抛物线于点F,以EF为一边,在EF的左侧作矩形
.若
,则当矩形
与
的重叠部分为轴对称图形时,m的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288e3255c07dec9d2099bf290c556bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84bfec4efcc9f0e656d6864daaaef55d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415b3dcb22a21bd2c1a9bc5a9e0e993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0999824b177c242485c297c54a54dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/cecc8636-5789-4bcd-b7a6-8490b08f9632.jpg?resizew=231)
您最近一年使用:0次
2023-12-27更新
|
180次组卷
|
2卷引用:四川省成都市双流区成都棠湖外国语学校2023-2024学年九年级上学期12月月考数学试题
填空题
|
困难(0.15)
真题
如图,抛物线
经过点
,顶点为
,且抛物线与
轴的交点B在
和
之间(不含端点),则下列结论:
时,
;
②当
的面积为
时,
;
③当
为直角三角形时,在
内存在唯一点P,使得
的值最小,最小值的平方为
.
其中正确的结论是___________ .(填写所有正确结论的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a18a7caa080988802ba1145b4fe4203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/178fdd32e80bbae19ab1e13a81a47afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1124fedc54913766487d03da221088c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f129bdbb5bc5a24440f0e0ecad6426c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8f84f5de5d5fe7a643ddfb4ee243eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fddc247224f57c829b4d688498de7c.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cf6a3813389ee07b5b5fac1f2aa50a.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb92e231023aa470a60e7c189f6f0b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddf1f1c828b987969248f9b7aa163ca.png)
其中正确的结论是
【知识点】 线段周长问题(二次函数综合) 面积问题(二次函数综合)
您最近一年使用:0次
2023-06-15更新
|
1574次组卷
|
9卷引用:2023年四川省宜宾中考数学真题
2023年四川省宜宾中考数学真题 (已下线)专题11 二次函数压轴题-学易金卷:2023年中考数学真题分项汇编(四川专用)(已下线)2023年四川省宜宾市中考数学真题变式题13-18题(已下线)专题11 最值问题 (2大易错点分析+26个易错点+易错题通关)-备战2024年中考数学考试易错题(江苏专用)(已下线)专题17二次函数与方程、不等式(优选真题60道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【全国通用】(已下线)寒假作业15 中考模拟卷-【寒假分层作业】2024年九年级数学寒假培优练(人教版)17-二次函数综合题(已下线)专题1 整体思想(已下线)重难点06+二次函数图象性质及其综合应用(2考点8题型)02
三、解答题
解答题-问答题
|
较难(0.4)
如图,抛物线
与y轴相交于点C,且经过
两点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/fbd37712-18b2-43d4-ad9b-a2f6428a0976.png?resizew=374)
(1)求抛物线的解析式;
(2)点P为抛物线在x轴下方图形上的一动点,是否存在点P,使
,若存在,求出点P坐标;若不存在,说明理由;
(3)若抛物线顶点为M,对称轴与x轴的交点为N,点Q为x轴上一动点,以Q、M、N为顶点的三角形与
相似.请直接写出点Q坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732f4189d4347079ea22a13cba5262bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ddccd12cd201a91df610721c744c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/16/fbd37712-18b2-43d4-ad9b-a2f6428a0976.png?resizew=374)
(1)求抛物线的解析式;
(2)点P为抛物线在x轴下方图形上的一动点,是否存在点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7e1bc733d35d56e8e66f4ba64fb7be.png)
(3)若抛物线顶点为M,对称轴与x轴的交点为N,点Q为x轴上一动点,以Q、M、N为顶点的三角形与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
您最近一年使用:0次
2023-04-13更新
|
782次组卷
|
6卷引用:2023年广东省佛山市南海区桂城街道中考一模数学试卷
解答题-问答题
|
较难(0.4)
真题
名校
如图,抛物线
与坐标轴分别交于A,B,C三点,P是第一象限内抛物线上的一点且横坐标为m.
(2)连接
,交线段
于点D,
①当
与x轴平行时,求
的值;
②当
与x轴不平行时,求
的最大值;
(3)连接
,是否存在点P,使得
,若存在,求m的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1b442d941041611afe027d07685486.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdfc688e25f6c16a04bb092223e9127.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cdfc688e25f6c16a04bb092223e9127.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7a6486b8a4c54a088569e21b28b1a6.png)
您最近一年使用:0次
2022-09-01更新
|
1646次组卷
|
9卷引用:2022年湖北省黄石市中考数学真题
2022年湖北省黄石市中考数学真题广西壮族自治区广西大学附属中学2022-2023学年九年级上学期期中数学试题2023年山东省德州市德城区中考一模数学试题湖北省黄冈市浠水县英才学校2022-2023学年中考一模数学试题(已下线)期中复习(易错50题23个考点)-2023-2024学年九年级数学上学期期中期末考点归纳满分攻略讲练(浙教版)(已下线)专题11 二次函数与几何问题(二)(六大热点题型归纳)-2024年中考数学二轮热点题型归纳与变式演练(云南专用) (已下线)猜题07 二次函数(易错必刷40题11种题型专项训练)-2023-2024学年九年级数学上学期期末考点大串讲(北师大版)(已下线)期中复习(易错54题27个考点)-2023-2024学年九年级数学上学期期中期末考点归纳满分攻略讲练(人教版)17-二次函数综合题
解答题-问答题
|
较难(0.4)
如图,在平面直角坐标系
中,抛物线
与x轴交于A、B两点(点A在点B的左侧),与y轴交于点C,
,顶点为D,对称轴交x轴于点E.
(1)求抛物线的解析式、对称轴及顶点D的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/b3458b06-5ac8-478d-8a5c-b055b7231ef7.png?resizew=232)
(2)直线AC下方的抛物线上有一动点P,过点P作
轴交AC于N,求线段PN的最大值及此时点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/00fbdac5-a239-4e6c-819f-0a72e37b2a5c.png?resizew=232)
(3)直线AC下方的抛物线上有一动点P,过点P作
于H,求线段PH的最大值及此时点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/5e1114db-15ab-4ecd-90ed-c8071eafc1d1.png?resizew=232)
(4)直线AC下方的抛物线上有一动点P,过点P作
轴交AC于N,过点P作
于H,求
周长的最大值及此时点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/428892f6-e5aa-4e7e-b79b-6398342af3ef.png?resizew=232)
(5)在抛物线对称轴上找一点N,使得
的周长最小,求
周长的最小值及此时点N的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/37dd0d49-e250-46df-9b7a-50fd939fe29c.png?resizew=204)
(6)在线段OA上找一点N,连接NC,作
交AC于点M,求CM的最小值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3c5b1049-1ddc-4f3d-8652-377c92e06af3.png?resizew=204)
(7)在OC上找一点M,使
值最小,求出最小值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/fe29b70d-43a3-4c3a-a899-aac2b2497c65.png?resizew=204)
(8)在抛物线对称轴上有两动点N、M(点N在点M上方),且
,求四边形
周长的最小值及此时M的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/24b62f47-ac54-4cf7-b0fc-011e003ab35b.png?resizew=204)
(9)在对称轴上找一点N,使得
最大,求点N的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8afcd896c25f11b18ea574b37b60d6.png)
(1)求抛物线的解析式、对称轴及顶点D的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/b3458b06-5ac8-478d-8a5c-b055b7231ef7.png?resizew=232)
(2)直线AC下方的抛物线上有一动点P,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f50c36555c899b75b90906502a051e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/00fbdac5-a239-4e6c-819f-0a72e37b2a5c.png?resizew=232)
(3)直线AC下方的抛物线上有一动点P,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141ee0cedfea5ae83aaac1106e2cc259.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/5e1114db-15ab-4ecd-90ed-c8071eafc1d1.png?resizew=232)
(4)直线AC下方的抛物线上有一动点P,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f50c36555c899b75b90906502a051e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141ee0cedfea5ae83aaac1106e2cc259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96438548974aecd341269cf7df59f6b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/428892f6-e5aa-4e7e-b79b-6398342af3ef.png?resizew=232)
(5)在抛物线对称轴上找一点N,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1275768bdac801185ef152290a85ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1275768bdac801185ef152290a85ce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/37dd0d49-e250-46df-9b7a-50fd939fe29c.png?resizew=204)
(6)在线段OA上找一点N,连接NC,作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fdbd5891bc07c9a5f4ea1790d59f008.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/3c5b1049-1ddc-4f3d-8652-377c92e06af3.png?resizew=204)
(7)在OC上找一点M,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b18f6d2bdab2c80ec5636e27bfa5c1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/fe29b70d-43a3-4c3a-a899-aac2b2497c65.png?resizew=204)
(8)在抛物线对称轴上有两动点N、M(点N在点M上方),且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c096bd244d7e30e8ef26fb5278aac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddfdf80a0e1b644621e6581acf48afc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/24b62f47-ac54-4cf7-b0fc-011e003ab35b.png?resizew=204)
(9)在对称轴上找一点N,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f047b8a4468eb4ceec5678e5fadd6367.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/29c85bb7-4763-40a3-b780-d0a557055c20.png?resizew=204)
【知识点】 线段周长问题(二次函数综合)
您最近一年使用:0次
解答题-问答题
|
较难(0.4)
如图,在平面直角坐标系
中,抛物线
与x轴交于A、B两点(点A在点B的左侧),与y轴交于点C,
,顶点为D,对称轴交x轴于点E.
(1)求抛物线的解析式、对称轴及顶点D的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/cd7235ce-086e-4f7b-bdcc-400e505507c2.png?resizew=139)
(2)求四边形
的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/2656c9de-034b-4e69-9ee7-6eccc1a638dd.png?resizew=148)
(3)过E点的直线l将四边形
的面积分成
两部分,求直线l的解析式.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/94513540-dbfa-45b1-be13-4448ef7f320f.png?resizew=148)
(4)直线AC下方的抛物线上是否存在一点P,使得
的面积最大?若存在求
面积的最大值及此时点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/5e06aa9a-4bef-4a95-82a2-787f2d7f1f6c.png?resizew=143)
(5)直线AC下方的抛物线上是否存在一点P,使得四边形
的面积最大?若存在,求四边形
面积的最大值及此时点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/53ca804a-93eb-4896-84f7-499098769d83.png?resizew=162)
(6)抛物线上是否存在点P,使得
,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/10b8b17c-af5c-40ff-8a6d-658f46aa15ca.png?resizew=144)
(7)抛物线上是否存在点P,使得
,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8f9571eb-3f68-4b39-9e25-d5ce58dbf46f.png?resizew=143)
(8)抛物线上是否存在点P,使得
,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/03beb1d7-eed2-41af-a40d-ab4e4d14807f.png?resizew=143)
(9)抛物线上是否存在点P,使得BP平分
的面积,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/a7e04f74-6acf-4c57-8dd0-46cbd42f8396.png?resizew=143)
(10)直线AC下方的抛物线上有一动点P,过点P作
轴于点M,使得AC平分
的面积,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/d46134ca-d556-42d6-8de9-ffd9458c6606.png?resizew=143)
(11)直线AC下方的抛物线上有一动点P,过点P作
轴于点M,交直线AC于点N,使得
,若存在,求出点P的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/66dc0a1a-ad8a-40ef-986d-46f2bdccf8d5.png?resizew=143)
(12)抛物线上有一点P,其横坐标为t,抛物线上另有一点Q,其横坐标为
,线段PQ上有一点M,作
轴交抛物线于点N,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8afcd896c25f11b18ea574b37b60d6.png)
(1)求抛物线的解析式、对称轴及顶点D的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/cd7235ce-086e-4f7b-bdcc-400e505507c2.png?resizew=139)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/2656c9de-034b-4e69-9ee7-6eccc1a638dd.png?resizew=148)
(3)过E点的直线l将四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33dd515671bd9a3a48c6c7cb15b073b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/94513540-dbfa-45b1-be13-4448ef7f320f.png?resizew=148)
(4)直线AC下方的抛物线上是否存在一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147de24f071e316b68fd2e78e3c84545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147de24f071e316b68fd2e78e3c84545.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/5e06aa9a-4bef-4a95-82a2-787f2d7f1f6c.png?resizew=143)
(5)直线AC下方的抛物线上是否存在一点P,使得四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b027ed57b9c6f24e27ec0ae282c76efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b027ed57b9c6f24e27ec0ae282c76efa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/53ca804a-93eb-4896-84f7-499098769d83.png?resizew=162)
(6)抛物线上是否存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b00a5a5f3626379ee5af9a2d0fe3d30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/10b8b17c-af5c-40ff-8a6d-658f46aa15ca.png?resizew=144)
(7)抛物线上是否存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da570b1803a1cca09c68e6872fe03a2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8f9571eb-3f68-4b39-9e25-d5ce58dbf46f.png?resizew=143)
(8)抛物线上是否存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336286f1dacb64c57ddb9e846b36a66e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/03beb1d7-eed2-41af-a40d-ab4e4d14807f.png?resizew=143)
(9)抛物线上是否存在点P,使得BP平分
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/a7e04f74-6acf-4c57-8dd0-46cbd42f8396.png?resizew=143)
(10)直线AC下方的抛物线上有一动点P,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784b26de6134b6d3f5a81e2882a7d7f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/d46134ca-d556-42d6-8de9-ffd9458c6606.png?resizew=143)
(11)直线AC下方的抛物线上有一动点P,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602ef62312747f1137b75762b8c430bc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/66dc0a1a-ad8a-40ef-986d-46f2bdccf8d5.png?resizew=143)
(12)抛物线上有一点P,其横坐标为t,抛物线上另有一点Q,其横坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bf41f25476d91e534ed185d0597f555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5affc7fa0c35492769ec492433723d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e43acfc591c6493bb06de927aeffd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/1a168998-271c-4477-ba5b-5d1eccb9abdf.png?resizew=143)
【知识点】 面积问题(二次函数综合)
您最近一年使用:0次
解答题-问答题
|
困难(0.15)
名校
如图1,直线l:
与抛物线
交于
,
两点,与y轴交于C点,点
在直线l上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/839e472f-84b5-4a3a-b016-0ffbb83ffe27.png?resizew=557)
(1)求抛物线的解析式;
(2)点P是直线l下方的抛物线上一点,过P作
轴交直线l于Q.当
最大时,求点P的坐标;
(3)如图2,将抛物线
沿射线AB方向平移,使新抛物线恰好经过C点,点M是直线l下方的新抛物线上一点,过点M作
轴交直线l于点N.若
是等腰三角形,请直接写出点N的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3912dbea285a02fec61e21c93479bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62df6feec0736be43171e25089d12677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c21dde2ad1e31c337bfb78c810ccb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa505207715d23d60df5d5865256d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709e749473b781ead6836d4618de2ce6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/839e472f-84b5-4a3a-b016-0ffbb83ffe27.png?resizew=557)
(1)求抛物线的解析式;
(2)点P是直线l下方的抛物线上一点,过P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548776b62e7a92e1b11f5aeaf4d52392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb5f17982fd7b50b14d52a08ba671c7.png)
(3)如图2,将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62df6feec0736be43171e25089d12677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf20f734ac54ab0eec2e1c170a3a24f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d303c32af8831735d4e0f86fa45874.png)
您最近一年使用:0次
2023-03-06更新
|
687次组卷
|
3卷引用:重庆市南开中学2022-2023学年九年级下学期开学考试数学试题
解答题-问答题
|
较难(0.4)
真题
名校
如图,抛物线
与
轴交于点
和点
,与
轴交于点
,抛物线的对称轴交
轴于点
,过点
作直线
轴,过点
作
,交直线
于点
.
(2)如图,点
为第三象限内抛物线上的点,连接
和
交于点
,当
时.求点
的坐标;
(3)在(2)的条件下,连接
,在直线
上是否存在点
,使得
?若存在,请直接写出点F的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0537276cbc6f9f0d2f4da574aae597c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b671cdde6baf9ab577330696ca8ff121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165a501b2e6a3acc46212e59a166c053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e41916523511064a97de39b0f2b323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af018556f0b484ed38519f2edc791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400b65129b3828c7e26f2e9f864a219c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)在(2)的条件下,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af018556f0b484ed38519f2edc791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a3b928ac1a6786854845376640716a.png)
您最近一年使用:0次
2023-07-11更新
|
1318次组卷
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6卷引用:2023年辽宁省营口市中考数学真题
2023年辽宁省营口市中考数学真题(已下线)2023年湖北省黄冈市中考数学真题变式题21-24题2024年湖南省长沙市天心区第十五中学中考模拟数学试题(已下线)专题32 函数与几何综合问题(共25题)-学易金卷:2023年中考数学真题分项汇编(全国通用)17-二次函数综合题(已下线)重难点01 二次函数与几何的综合训练(9大题型+限时分层检测)-2024年中考数学【热点·重点·难点】专练(全国通用)
解答题-证明题
|
较难(0.4)
真题
一次函数
的图像与
轴交于点
,二次函数
的图像经过点
、原点
和一次函数
图像上的点
.
(2)如图1,一次函数
与二次函数
的图像交于点
、
(
),过点
作直线
轴于点
,过点
作直线
轴,过点
作
于点
.
①
_________,
_________(分别用含
的代数式表示);
②证明:
;
(3)如图2,二次函数
的图像是由二次函数
的图像平移后得到的,且与一次函数
的图像交于点
、
(点
在点
的左侧),过点
作直线
轴,过点
作直线
轴,设平移后点
、
的对应点分别为
、
,过点
作
于点
,过点
作
于点
.
①
与
相等吗?请说明你的理由;
②若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cc6de24c9f456f41c15f609fe2c2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c737c338e7cc50df74811f9670ebc19f.png)
(2)如图1,一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4678f9dc186372fe5dbda330af2c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cc6de24c9f456f41c15f609fe2c2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6e9099f58388fa3403cb3cf9428733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e688a289023149612113376278352af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dd42188ae3b66affd240183dd395c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15ebdaa4b3e74f75ae6f2d3cdf9b6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536bd40ed94807f7b401365cda2a22b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e92f14fb20f920f88dcad2ccd1d53f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dad5a12f34bed0da0de93beae0eaa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f8eebda19eded2b059774a8c2666c3.png)
(3)如图2,二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea34e5e15852aef31b0b4c15b2480d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cc6de24c9f456f41c15f609fe2c2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e3e144dcd38926906a9fad1a2b6826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5b90f87babdcc49f25a3aaddb81bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad30218a47e24ed822a75c62a3cb9968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be5cb6c4965698167aca907322a2da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42198b8e646ccfbbec323fd364c4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba25c398b41939559a52518e8b251af6.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d032d4b0d41ef531f4ed08a3cd027f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2022-09-08更新
|
1648次组卷
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6卷引用:2022年江苏省镇江市中考数学真题
2022年江苏省镇江市中考数学真题浙江省舟山市普陀区普陀第二中学2022-2023学年九年级上学期9月月考数学试题(已下线)数学(湖南长沙卷)-学易金卷:2023年中考第一次模拟考试卷(已下线)查补培优冲刺04 二次函数与几何的综合压轴-【查漏补缺】2024年中考数学复习冲刺过关(江苏专用)(已下线)二次函数学科特色17-二次函数综合题