真题
名校
1 . 如图,要围一个矩形菜园
,共中一边
是墙,且
的长不能超过
,其余的三边
用篱笆,且这三边的和为
.有下列结论:
①
的长可以为
;
②
的长有两个不同的值满足菜园
面积为
;
③菜园
面积的最大值为
.
其中,正确结论的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d28d118793ef67987184935411e614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b467455ea6b8b7f5e6dd53110bc22060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edc8cf5b8934480e6031f16b3d4938d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d568856b3349a45f8b95d4a6454a858.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b4693abf395a9bbd165b90bc932080.png)
③菜园
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a4fd0755fd6e354e4f58fbb08e8f2b.png)
其中,正确结论的个数是( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2023-06-20更新
|
3416次组卷
|
19卷引用:2023年天津市中考数学真题
2023年天津市中考数学真题(已下线)第22单元02基础练(已下线)专题18二次函数的应用(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)2023年天津市中考数学真题变式题11-15题(已下线)第22章 二次函数(单元测试·拔尖卷)-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22.33 实际问题与二次函数(直通中考)(基础练)-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)天津市第五十五中学2023-2024学年九年级上学期第一次月考数学试题(已下线)XDRzkgssxzw939山东省德州市天衢新区2023-2024学年九年级上学期期中数学试题天津市汇文中学2023-2024学年九年级上学期第二次月考数学试题(已下线)清单02二次函数(14个考点梳理+题型解读+核心素养提升+中考聚焦)-2023-2024学年九年级数学上学期期末考点大串讲(人教版)(已下线)专题2 函数思想河南省焦作市沁阳市2023-2024学年九年级上学期第一次阶段性质量检测数学试题(已下线)专题12 二次函数(考点回归+练透中考10类核心重点考向)-备战2024年中考数学真题题源解密(全国通用)(已下线)热点05+二次函数的图象及简单应用1(8大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(全国通用)2024年河北省邯郸市第十三中学中考模拟数学试题湖北省天门市七校联考2023-2024学年九年级上学期月考数学试题【43311379】3.7 函数的实际应用-【智乐星中考·中考备战】2024年山东省中考数学精练本(已下线)专题05用二次函数解决问题(3个知识点4种题型3个中考考点)-【帮课堂】2023-2024学年九年级数学下册同步学与练(苏科版)
真题
名校
2 . 如图,抛物线
与
轴交于
两点,与
轴交于点
.抛物线的对称轴
与经过点
的直线
交于点
,与
轴交于点
.
及抛物线的表达式;
(2)在抛物线上是否存在点
,使得
是以
为直角边的直角三角形?若存在,求出所有点
的坐标;若不存在,请说明理由;
(3)以点
为圆心,画半径为2的圆,点
为
上一个动点,请求出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c977d0f39570f4f89be26efe20cc056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc236aba2122784d9a837803d7de366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)在抛物线上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f9fba8a4098c1a0515286eb8d616dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c90eb575f3b707a5d5a420c75c6f27.png)
您最近一年使用:0次
2023-06-20更新
|
2104次组卷
|
13卷引用:四川省德阳市旌阳区2023-2024学年九年级上学期期末数学试题
四川省德阳市旌阳区2023-2024学年九年级上学期期末数学试题(已下线)第8讲 二次函数与几何图形2024年广东省惠州市惠阳区新世纪实验学校一模数学试题2024年山东省济南市商河县清华园学校中考一模数学模拟试题(已下线)数学(陕西卷)-学易金卷:2024年中考考前押题密卷2024年广东省东莞市校级联考中考模拟数学试题2023年山东省烟台市中考数学真题(已下线)专题11二次函数解答压轴题(精选50道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【山东专用】山东省淄博市周村区周村区第二中学(五四制)2023-2024学年九年级上学期期中数学试题黑龙江省大庆市庆新中学2023-2024学年九年级上学期期末数学试题2024年山东省青岛市中考数学模拟预测题甘肃省张掖市第一中学2023-2024学年九年级下学期期中数学试题2024年黑龙江省大庆市祥阁学校中考一模数学试题
3 . 如图,抛物线
与
轴交于
、
,交
轴于
.
(1)求抛物线的表达式;
(2)
是直线
上方的抛物线上的一个动点,设
的横坐标为
,当四边形
的面积
最大时,求出面积的最大值及
点的坐标;
(3)设点
是
轴上的动点,在平面直角坐标系中,存在点
,使得以点
为顶点的四边形是菱形,直接写出所有符合条件的点
坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d03fa28c117649b0fdfe17eed7b583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62855ff21228ecea8e28fd0fbeb814ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/20/dd438e50-bd3d-409a-a6a8-986a322ff372.jpg?resizew=232)
(1)求抛物线的表达式;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f7c674f87a67fde99afceb3cfd8189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea2e3cbf0f6917241e5e5052fd3d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2023-06-18更新
|
630次组卷
|
3卷引用:2023年辽宁省锦州市黑山县中考二模数学试题
真题
4 . 已知
是抛物
(b为常数)上的两点,当
时,总有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
(1)求b的值;
(2)将抛物线
平移后得到抛物线
.
探究下列问题:
①若抛物线
与抛物线
有一个交点,求m的取值范围;
②设抛物线
与x轴交于A,B两点,与y轴交于点C,抛物线
的顶点为点E,
外接圆的圆心为点F,如果对抛物线
上的任意一点P,在抛物线
上总存在一点Q,使得点P、Q的纵坐标相等.求
长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6037359d2727b05ee33db9e2c36226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316afd3d39cbfbf483c678f9c1bbfb81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
(1)求b的值;
(2)将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54451419e28a1130c1c5c20fd6cc166d.png)
探究下列问题:
①若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
②设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5bfa05232c26797f61d439b6d42ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
名校
5 . 植物园有一块足够大的空地,其中有一堵长为6米的墙,现准备用20米的篱笆围两间矩形花圃,中间用篱笆隔开.小俊设计了如图甲和乙的两种方案:方案甲中
的长不超过墙长;方案乙中
的长大于墙长.
的长为xm,矩形
的面积为ym2.
①求y与x之间的函数关系式.
②求矩形
的面积y(m2)的最大值.
(2)甲、乙哪种方案能使围成的矩形花圃的面积最大,最大是多少?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
①求y与x之间的函数关系式.
②求矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)甲、乙哪种方案能使围成的矩形花圃的面积最大,最大是多少?请说明理由.
您最近一年使用:0次
6 . 某家禽养殖场,用总长为
的围栏靠墙(墙长为
)围成如图所示的三块矩形区域,矩形
与矩形
面积相等,矩形
面积等于矩形
面积的二分之一,设
长为
,矩形区域
的面积为
.
与
之间的函数关系式,并写出自变量
的取值范围;
(2)当
为何值时,
有最大值?最大值是多少?
(3)现需要在矩形
和矩形
区域分别安装不同种类的养殖设备,单价分别为40元/平方米和20元/平方米,若要使安装成本不超过30000元,请直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f256afee1098dac22f423b19b43c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0c612abc4b5bcb54b992cd729ec0d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1306992ecf24ed5418123dda57b2e635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8208af2adc35cc720c0496c83d74b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1306992ecf24ed5418123dda57b2e635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec07464a1b5bc7a2cc338b1a13e0f4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3bde6ef2ee5b749b4d48d706543cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5e6560863ee663a60dc7932acb5cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)现需要在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1306992ecf24ed5418123dda57b2e635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec07464a1b5bc7a2cc338b1a13e0f4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-06-13更新
|
601次组卷
|
4卷引用:2023年湖北省武汉市江汉区中考三模数学试题
2023年湖北省武汉市江汉区中考三模数学试题(已下线)第22单元03巩固练(已下线)第04讲 二次函数的实际应用与综合-【帮课堂】2023-2024学年九年级数学上册同步学与练(人教版)2024年黑龙江省大庆市中考三模数学试题
7 . 新定义:我们把抛物线
(其中
与抛物线
称为“关联抛物线”,例如,抛物线
的“关联抛物线”为
已知抛物线
:
的“关联抛物线”为
,
与y轴交于点E.
(1)若点E的坐标为
,求
的解析式;
(2)设
的顶点为F,若△OEF是以OF为底的等腰三角形,求点E的坐标;
(3)过x轴上一点P,作x轴的垂线分别交抛物线
,
,于点M,N.
①当MN=6时,求点P的坐标;
②当
时,
的最大值与最小值的差为2a,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696ffadff4af3f364f57361d73cc5efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79babf6d73d82cabacfd1ad1af3d7897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac549d217bdf29c1e0d01318354d7f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fde7e4992f93a219aca8676faaa099d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)若点E的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(3)过x轴上一点P,作x轴的垂线分别交抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
①当MN=6时,求点P的坐标;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d6da779fb100177c6a14fb47aa8ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
8 . 综合与探究
如图,已知直线
与x轴,y轴交于B,A两点,抛物线
经过点A,B,点P为线段
上一个动点,过点P作垂直于x轴的直线交抛物线于点N,交直线
于点M,设点P的横坐标为t.
(1)求抛物线解析式;
(2)当
,t的值为___________;
(3)若点N到直线
的距离为d,求d的最大值;
(4)在y轴上是否存在点Q,使
是以
为腰的等腰直角三角形?若存在,请直接写出点Q的坐标;若不存在,请说明理由.
如图,已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9118cc77fc0a045337745890e50cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62e8aadaadebf1454fde21a390ebdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/7d6266e0-103d-463e-997f-e3139d1fd730.png?resizew=444)
(1)求抛物线解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff3adba01bf17140e9b2f532a416bb4.png)
(3)若点N到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
(4)在y轴上是否存在点Q,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5686478d868d87e7253ea56a6e3eace6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07377d977ef6a8f518b3004564544e5b.png)
您最近一年使用:0次
22-23九年级·上海·假期作业
9 . 矩形
中,
,线段
,在
上取一点
,分别以
、
为一边作矩形
、矩形
,使矩形
与矩形
相似,且点
与点A、点
与点
,点
与点
,点
与点
分别是对应顶点,令
.求出矩形
的面积S与
的函数关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e4a162f12d12a082b8d8fdd1aeab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08668b77628265eaa98a3cee1338dad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515f44f5eb95547bb9dcfddd9f292ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb54c51338a3eaa4078b6c20124264e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb54c51338a3eaa4078b6c20124264e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0409dcc992e45d68b10278f941b0c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515f44f5eb95547bb9dcfddd9f292ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
10 . 如图,某活动板房由矩形和抛物线构成,矩形的边长
,
,抛物线的最高点E到BC的距离为
.在该抛物线与
之间的区域内装有一扇矩形窗户
,点G、H在边
上,点F、K在该抛物线上.按如图所示建立平面直角坐标系.若
,则矩形窗户的宽
的长为______ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2de0126c416995c7d2c43ca1bd114c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb378df170f5a3badff58470c13fc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d4e816ae6762aa1ca2d7fa35dae15d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad7266a1e14d441e953a263ba9db770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8af631faecfebe362435a5f7c86237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/10/8b25a99a-c992-43b5-a9a6-fbe35cb39ccc.png?resizew=136)
您最近一年使用:0次
2023-06-08更新
|
429次组卷
|
3卷引用:2023年吉林省长春市朝阳区中考二模数学试题
2023年吉林省长春市朝阳区中考二模数学试题(已下线)第10讲 实际问题与二次函数-【暑假自学课】2023年新九年级数学暑假精品课(人教版)吉林省长春市二道区长春市第一〇八学校2023-2024学年九年级上学期12月月考数学试题