1 . 图1,在平面直角坐标系
中,已知抛物线
经过
,
两点.P是抛物线上一点,且在直线
的上方.
(2)如图2,点E为
中点,作
轴交
于点Q,若四边形
为平行四边形,求点P的横坐标;
(3)如图3,连结
,
交
于点M,作
交
于点H.记
,
,
的面积分别为
.判断
是否存在最大值,若存在,求出最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)如图2,点E为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f27083267432a9352fb6677a07d461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e109cd216e131505109392a493d6183.png)
(3)如图3,连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df2be90019907d754d14d9a0304b86a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca5db390ce7350fc7b6893acf65db13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c9bdbb186a8ce0f231c31ad445a6ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7c4f34ee6aa2c04df87e488cf0e5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1d98c8400450363549b984363085e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf4e20ea341827ce5f9552daee39462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b2a89833c363fe06a5ae1524fa65144.png)
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名校
2 . 如图,已知抛物线
经过
和
两点,直线
与
轴相交于点
,
是直线
上方的抛物线上的一个动点,
轴交
于点
,抛物线与
轴的交点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/8578b9d6-4f34-421b-80da-a4e1afce041d.png?resizew=410)
(1)求该抛物线的表达式;
(2)当
时,求点
的坐标:
(3)若
轴交
于点
且点
是直线
上方,求
的最大值;
(4)若以
,
,
为顶点的三角形与
相似,请直接写出所有满足条件的点
,点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc878a5fd7b508cf817cbb65d3940547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad98a82a39bd7b5f01a7c999c03fd07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f00d0ff8dd38da17167cf9b789eec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/8578b9d6-4f34-421b-80da-a4e1afce041d.png?resizew=410)
(1)求该抛物线的表达式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f3102b11862842bda39486303e4e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd26a79182e530bd89cb3587ae8c85f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f3a30d63fde5623d018b4a77231967.png)
(4)若以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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|
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2卷引用:山东省日照市新营中学2022-2023学年九年级下学期3月月考数学试题
10-11九年级下·河南周口·单元测试
名校
3 . 如图,有一座拱桥洞呈抛物线形状,这个桥洞的最大高度为
,跨度为
,现把它的示意图放在如图的平面直角坐标系中,则抛物线对应的函数关系式为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1e0bd4fe8afb14b572852121cef83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c758c27bec97c234d1d818c40f3d3f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/0ae0c1c5-0cff-4d80-936b-93e1fa77dc9f.png?resizew=230)
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37卷引用:【全国校级联考】山东省日照市五莲二中2019届九年级第一学期人教版数学上册第一次月考试题
【全国校级联考】山东省日照市五莲二中2019届九年级第一学期人教版数学上册第一次月考试题(已下线)2011届河南省扶沟县初三下册26章《二次函数及其图像》检测题(已下线)2011届河南省周口市初三下册26章《二次函数》检测题(已下线)2011届河南省周口市初三下册26章《实际问题与二次函数》检测题(已下线)2011界辽宁省锦州市初三第一学期期中考试数学试题(一)2013届江苏省盐城市第一初级中学教育集团九年级下学期调研考试数学试卷2014届中考数学章节复习测试二次函数练习卷内蒙古巴彦淖尔市临河区第二中学2018届九年级上学期第一次月考数学试题广东省深圳市福田区2018-2019学年人教版九年级上册数学第一次月考试题山东省临沂市费县梁邱一中2019届九年级数学上第一次月考试卷(九月_第21、22章)【区级联考】广东省深圳市罗湖区2019届人教版九年级上册数学第一次月考试卷山东省临沂市青云中学2019届九年级第一学期人教版第一次月考数学试卷人教版九年级数学上册_第二十二章_二次函数_单元检测试卷_人教版九年级数学第二十二章二次函数测试题人教版数学九年级上册_第22章_二次函数_单元检测试卷广东省深圳市福田区耀华实验学校2018-2019学年九年级(上)第一次月考数学试题江西省上饶二中2019届九年级上学期12月考数学试题(已下线)第二章综合测评卷-2018年九年级下册数学名师学案(北师大版)【区级联考】江苏省苏州市苏州工业园区2019届九年级上学期期中调研考试数学试题河南省平顶山市汝州市2019-2020学年九年级上学期期末数学试题河北省石家庄市长安区第二十二中学重点班2019-2020学年九年级第一次月考数学试题(已下线)专题冲刺小卷05 二次函数-2020年《三步冲刺中考·数学》之最新模考分类冲刺小卷(江苏专用)(已下线)【万唯原创】二次函数的实际应用·基础必练(四)(已下线)【万唯原创】二次函数的实际应用·基础必练(三)广东省广州市天河区实验中学附属天河学校2020-2021学年九年级上学期期中数学试题(已下线)专题11二次函数的应用-备战2021年中考数学考点 核心考点清单(江苏专用)新疆乌鲁木齐市第九中学2020-2021学年九年级上学期第一次月考数学试题新疆维吾尔自治区乌鲁木齐市第九中学2021-2022学年九年级上学期期末数学试题浙江省宁波市鄞州区咸祥镇中心初级中学2022-2023学年九年级上学期教学评估(二)数学试题湖北省黄冈市浠水县方铺中学2022-2023学年九年级上学期期中考试数学试卷新疆维吾尔自治区乌鲁木齐市沙依巴克区第二十三中学2022-2023学年九年级上学期期末数学试题(已下线)新疆岳普湖县第二中学2022-2023学年九年级上学期线上期末数学试题(已下线)河北省唐山市路北区凤凰中学2022-2023学年九年级上学期月考数学试题新疆维吾尔自治区昌吉回族自治州奇台县第四中学2023-2024学年九年级上学期期末数学试题浙江省宁波市鄞州区咸祥镇中心初级中学2023-2024学年九年级上学期教学效果评估(二)数学试题江苏省苏州市苏州外国语学校2023-2024学年九年级上学期10月月考数学试题江苏省苏州市苏州外国语学校2023-2024年九年级上学期月考数学试题
4 . 如图,二次函数的图象顶点坐标为
,且过
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/f18bfddf-e719-45a2-9675-cd9280d1acbf.png?resizew=153)
(1)求该二次函数解析式;
(2)当
时,求函数值
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0850448be9af50398a6e1122b7f798a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9946665cf48e9bc11bab0bf23a5af58e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/f18bfddf-e719-45a2-9675-cd9280d1acbf.png?resizew=153)
(1)求该二次函数解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1411c3257865e36b85decfcb763067cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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2023-01-26更新
|
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3卷引用:山东省日照市日照经济技术开发区献唐学校2023-2024学年九年级上学期10月月考数学试题
5 . 如图,抛物线
与
轴交于
,
两点,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/fb9414dc-99c9-4072-87e5-1461f1a23527.png?resizew=471)
(1)求抛物线的解析式;
(2)如图2,
是抛物线
轴下方的抛物线上一点,连接
、
、
,若
的面积是
面积的3倍,求点
的坐标
(3)如图3,连接
、
,在抛物线上是否存在点
(不与点
重合),使得
?若存在求出点
的横坐标,若不存在说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d8de071a9c22c96a59b172d76c127e.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/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/24/fb9414dc-99c9-4072-87e5-1461f1a23527.png?resizew=471)
(1)求抛物线的解析式;
(2)如图2,
![](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/a4cfef623a9534b5708df5f95f1760a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd2716d2266b1142dce48b3ad31404b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)如图3,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f9278c0db1bd276bcebec859a0635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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2023-01-19更新
|
260次组卷
|
2卷引用:2022年山东省日照市东港区日照市实验中学九年级一模考试数学试卷
名校
6 . 如图,在平面直角坐标系中,二次函数
的图象经过点
,点
,与直线
交于点
.
(2)当
时,函数有最小值
,求m的值;
(3)过点
作
轴,点
的横坐标为
.已知点
与点
不重合,且线段
的长度随
的增大而减小.
①求m的取值范围;
②当
时,直接写出线段PQ与二次函数
的图象有一个交点时m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f94fea843b139df91b5d2ab06114b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66549847545101a3fad02eb703dcc5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a0be22b0e5ae809dbeab41f0558d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f52db3046e7c92b3a7fdd6c34657663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7316ef3dcf6008a68e0b3a018ee7e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6748272439478b92c615675b869cd52d.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/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
①求m的取值范围;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056c0734afc6874fd7bbc4f500d5558b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec36390beb65504a30f12a0ad3fc03d.png)
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|
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7卷引用:山东省日照市日照港中学2023-2024学年九年级下学期3月月考数学试题
山东省日照市日照港中学2023-2024学年九年级下学期3月月考数学试题2022年河北省沧州市青县中考数学二模试卷2022年河北省保定市第十三中学中考数学二模试卷(已下线)黄金卷3-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(大连专用)(已下线)黄金卷06-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(河北专用)吉林省松原市乾安县三校2022-2023学年九年级下学期期中数学试题(已下线)2022年河北中考数学二模二次函数应用、综合题
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7 . 如图,已知抛物线
经过
,
两点.
![](https://img.xkw.com/dksih/QBM/2022/12/19/3134244758528000/3139880573861888/STEM/0df90003acd7458a9ed2da7ec26a1f04.png?resizew=369)
(1)求此抛物线的解析式和直线
的解析式;
(2)如图①,动点
从
点出发,沿着
方向以
个单位/秒的速度向终点
匀速运动,同时,动点
从
点出发,沿着
方向以
个单位/秒的速度向终点
匀速运动,当
,
中任意一点到达终点时另一点也随之停止运动,连接
,设运动时间为
秒,当
为何值时,
与
相似.
(3)如图②,动点
在直线
上方,且在抛物线上,求出
的最大面积,并指出此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586d7140ec380af8c32bc216887477ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b4551a978cf90a22c1955151467424.png)
![](https://img.xkw.com/dksih/QBM/2022/12/19/3134244758528000/3139880573861888/STEM/0df90003acd7458a9ed2da7ec26a1f04.png?resizew=369)
(1)求此抛物线的解析式和直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)如图①,动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
(3)如图②,动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
8 . 如图是一副眼镜镜片下半部分轮廓对应的两条抛物线关于
轴对称.
轴,
,最低点
在
轴上,高
,
则右轮廓线
的函数解析式为( )
![](https://img.xkw.com/dksih/QBM/2022/7/29/3033212753764352/3131959967105024/STEM/3ab9243dfa6f45b2ba8a2f958da2a492.png?resizew=322)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc195a9f7ac138e5a1ad87d5fa201c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.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/b32d9d990094d584efc64f4cd7e5255f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c73535f668724c2a3edb23306c98d8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6c9a36e2ef7189317ae652c56e49c8.png)
![](https://img.xkw.com/dksih/QBM/2022/7/29/3033212753764352/3131959967105024/STEM/3ab9243dfa6f45b2ba8a2f958da2a492.png?resizew=322)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:山东省日照市东港区北京路中学2023-2024学年九年级上学期10月月考数学试题
山东省日照市东港区北京路中学2023-2024学年九年级上学期10月月考数学试题2022年江苏省苏州市姑苏区振华中学 中考数学模拟试题(已下线)专题17二次函数(已下线)黄金卷03-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(江苏南京专用)
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9 . 如图,抛物线
与x轴交于点
、点B与y轴相交于点
,下列结论:①
;②B点坐标为
;③抛物线的顶点坐标为
;④直线
与抛物线交于点D、E,若
,则h的取值范围是
;⑤在抛物线的对称轴上存在一点Q,使
的周长最小,则Q点坐标为
.其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee6f55f5de53781cc0e1c61f9fc5995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c43f704b5d150cb4e29e9796a07d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f06408895febc126c2ae409e807349c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7267f12d61e2e4c373e1407c05d3610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496a7240c134e06a068495c583f8b247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62febf1db3a4e0e989fca82391989829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77d37dd8b4de4d89fa1fbdbea364a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938bd055cd0beb7d1cb07d8387175701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bc4b926b29e58400df99ebf5771404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d51b51352854f7a88f7f3619ba5be3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-11更新
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5卷引用:2024年山东省日照市五莲县中考数学二模试题
10 . 如图,在平面直角坐标系中,抛物线
经过点
,点M为抛物线的顶点,点B在y轴上,直线
与抛物线在第一象限交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/160d63ce-e790-4fe5-908f-502458915381.png?resizew=160)
(1)求抛物线的解析式;
(2)连接
,若过点O的直线交线段
于点P,将三角形
的面积分成
的两部分,请求出点P的坐标;
(3)若Q是直线
上方抛物线上一个动点(不与点A、C重合),当
的面积等于
的面积时,求出Q点的坐标;
(4)在抛物线的对称轴上有一动点H,在抛物线上是否存在一点N,使以点A、H、C、N为顶点的四边形是平行四边形?若存在,求出点N的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0785a08303a75cac963bc78341b513.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/160d63ce-e790-4fe5-908f-502458915381.png?resizew=160)
(1)求抛物线的解析式;
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed01d1ff5a7f21a68fb3a1e5c7f393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
(3)若Q是直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bc4b926b29e58400df99ebf5771404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
(4)在抛物线的对称轴上有一动点H,在抛物线上是否存在一点N,使以点A、H、C、N为顶点的四边形是平行四边形?若存在,求出点N的坐标,若不存在,请说明理由.
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