名校
1 . 如图,二次函数
的图象与y轴交于点C,点B在抛物线上,且与点C关于抛物线的对称轴对称,已知一次函数
的图象经过该二次函数图象上的点A
及点B.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/fc9041a6-c09f-4169-9651-fc6afc69305b.png?resizew=142)
(1)求二次函数与一次函数的解析式;
(2)根据图,直接写出满足
的x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0f2b21b55707ef29604aa21599f4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6263af3f6cf1e9a4aaab0a097306006f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/fc9041a6-c09f-4169-9651-fc6afc69305b.png?resizew=142)
(1)求二次函数与一次函数的解析式;
(2)根据图,直接写出满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/479b0890a0dd031897a0a8060306295d.png)
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2024-01-07更新
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38卷引用:专题10 二次函数(十二大题型)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(山东专用)
(已下线)专题10 二次函数(十二大题型)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(山东专用)2016-2017学年山东省广饶经济开发区乐安中学(五四学制)八年级下学期期中考试数学试卷山东省东营市广饶县2016-2017学年八年级(五四制)下学期期中阶段检测数学试题山东省滨州市七校2017届九年级上学期期中联考数学试题(已下线)专题22.23 二次函数与一元二次方程(知识梳理与考点分类讲解)-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)安徽省铜陵市第十中学2023-2024学年九年级上学期月考数学试题甘肃省陇南市礼县第六中学2023-2024学年九年级上学期第二次诊断考试数学试题辽宁省铁岭市铁岭县2023-2024学年九年级上学期期中数学试题四川省南充市仪陇县复兴中学2023-2024学年九年级上学期第一次月考数学测试题九年级数学(浙教版)上册同步练习:1.4 二次函数的应用(三)安徽省蚌埠市四校(五中、十二中、一实小、三实小)2017届九年级上学期期中联考数学试题江苏省南通市启东市百杏中学2018届九年级上学期第一次学情调研数学试题安徽省岳西县冶溪中学2017-2018学年人教版九年级上期中数学试题2017-2018学年九年级数学人教版上册:第22章 二次函数 单元测试题北师大版九年级数学下册 第二章《二次函数》 强化训练(已下线)决胜2018中考压轴题全揭秘 专题09 二次函数的图象和性质问题2018年九年级数学北师大版下册:第二章检测卷湖北省武汉粮道街中学2019届九年级数学上学期月考试卷【区级联考】浙江省湖州市南浔区2018届九年级上学期期末考试数学试卷湖北省武汉市武昌区粮道街中学2018-2019学年九年级(上)9月月考数学试卷北师大版九年级数学下册 第二章 二次函数 期末复习检测试卷【市级联考】浙江省杭州市2018届九年级第一学期期中测试数学试题卷2019-2020人教版广东省朝阳实验学校九年级数学上册第一次月考试卷浙江省湖州市第四中学教育集团2019-2020学年九年级上学期10月月考数学试题湖南永州市京华中学2019-2020学年九年级上学期第一次月考数学试题(已下线)【万唯原创】2017年河南省中考数学面对面·数学第三章4福建省福州市三校联考2020-2021学年九年级上学期第一次月考数学试题(已下线)【万唯原创】2017年山西-面对面练习册-第三章4广东省湛江市徐闻县五校联考2021-2022学年九年级上学期第一次月考数学试题(已下线)专题2.51 《二次函数》全章复习与巩固(巩固篇)(专项练习)-2021-2022学年九年级数学下册基础知识专项讲练(北师大版)广东省中山市中山纪念中学2021-2022学年九年级上学期期中数学试题北京市广渠门中学2022-2023学年九年级上学期第一次质量检测数学试卷河南省南阳市镇平县侯集镇第一初级中学2021-2022学年九年级上学期10月月考数学试题福建省龙岩市北大附属实验学校2021-2022学年九年级上学期第一次月考数学试题浙江省湖州市吴兴实验中学等部分校2022-2023学年九年级上学期期中练习数学试题广东省广州市黄冈中学广州学校2020-2021学年九年级上学期10月月考数学试题湖北省天门市岳口镇岳口初级中学2022-2023学年九年级上学期期中数学试题安徽省六安市金寨县天堂寨初级中学2022-2023学年九年级上学期月考数学试题
2 . 如图,抛物线
与x轴交于A、B两点,与y轴交于点C,直线
过B、C两点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/74af511b-d142-4ce5-a150-d6b0e12ed5b9.png?resizew=200)
(1)求抛物线的解析式;
(2)求证:
;
(3)抛物线对称轴上是否存在点P使得
的最小值,若存在,求出点P坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c9800e4b992044d16681e77ff6563c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9118cc77fc0a045337745890e50cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/7/74af511b-d142-4ce5-a150-d6b0e12ed5b9.png?resizew=200)
(1)求抛物线的解析式;
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767bcca107034191460cd6fe3f17e7bf.png)
(3)抛物线对称轴上是否存在点P使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1441093334b71f88954eed46804c316c.png)
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3 . 综合与探究
如图,某一次函数与二次函数
的图象交点为
,
.
(1)求抛物线的解析式;
(2)点
为抛物线对称轴上一动点,当
与
的和最小时,点
的坐标为 ;
(3)点
为二次函数位于线段
下方图象上一动点,过点
作
轴,交线段
于点
,求
面积的最大值;
(4)在(2)的条件下,点
为
轴上一点,点
为直线
上一点,点
为平面直角坐标系内一点,若以点
,
,
,
为顶点的四边形是正方形,请直接写出点
的坐标.
如图,某一次函数与二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5bd57912b194186fb5cbe63ed24861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d57173ef4cd72eb270686875dfd623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b3896a44a78606b7bca92704df43f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/a96cb3e6-6d06-4b4a-918e-eb931686d745.png?resizew=277)
(1)求抛物线的解析式;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d36becb71450ba62cb25e8d26b2566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bb961bd7db3adb76af2d4cedb611bd7.png)
(4)在(2)的条件下,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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4 . 如图,已知抛物线
与x轴交于A、B两点,过点A的直线l与抛物线交于点C, 其中A点的坐标是
, C点坐标是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/f8d2c227-7df6-4228-a596-64883db9b113.png?resizew=122)
(1)求抛物线的解析式;
(2)求出点B的坐标以及
的面积;
(3)若点P为抛物线对称轴上的一个动点,当
周长最小时求出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d8de071a9c22c96a59b172d76c127e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff32d26c8d44f5fb4813a19c1030a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8b77523fdb650961e4cc870e12180d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/f8d2c227-7df6-4228-a596-64883db9b113.png?resizew=122)
(1)求抛物线的解析式;
(2)求出点B的坐标以及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)若点P为抛物线对称轴上的一个动点,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357265c532428e886a643e8e653eec9e.png)
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5 . 如图,已知直线
与抛物线
相交于
,
两点,抛物线交
轴于点
,交
轴正半轴于点
,抛物线的顶点为点
.
的坐标;
(2)设点
为直线
下方的抛物线上一动点,当
的面积最大时,求此时
的面积及点
的坐标;
(3)点
为
轴上一动点,点
是抛物线上一点,当
(点
与点
对应),求
点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d308108e9485c0b1178817089876d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d71b3cb2a27fbe0d69357431c7575f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a587d8312f079e55d19af3303fb4658a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c674e0361338424371394f94035e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设点
![](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/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/b095d2a87aec20b4f0f2cf5a286d7e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2024-01-06更新
|
115次组卷
|
5卷引用:山东省聊城市聊城文轩初级中学2023-2024学年九年级上学期期末数学试题
6 . 如图①是某街道旁的一棵垂柳,这棵垂柳中某一枝的形状呈如图②所示的抛物线型,它距离地面的高度
与到树干的水平距离
之间满足关系式
.已知这枝垂柳的始端到地面的距离
,末端B恰好接触地面,且到始端的水平距离
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/00cffc5a-1bce-4e3c-82d9-0b2f99af46e9.png?resizew=194)
(1)求该抛物线的函数解析式;
(2)求这枝垂柳的最高点
到地面的距离;
(3)踩着高跷的小明头顶距离地面
,他从点
出发向点
处走去,请计算小明走出多远时,头顶刚好碰到树枝?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835cbdbbfa0718c2f7b70cfb41ba5ad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f193416fbd3c6270c178009aaa27c255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318b6a044f8009271b165dc7e2cca404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7c9ca0c8fe6b9784005b0cf615874a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/00cffc5a-1bce-4e3c-82d9-0b2f99af46e9.png?resizew=194)
(1)求该抛物线的函数解析式;
(2)求这枝垂柳的最高点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)踩着高跷的小明头顶距离地面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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7 . 如图,抛物线
过
两点,点
关于抛物线的对称轴对称,过点
作直线
轴,交
轴于点
.
(1)求抛物线的解析式;
(2)直接写出点
的坐标,并求出
的面积;
(3)点
是直线
上方抛物线
一动点,当
的面积最大时,求出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53be61cd85ec86aabd164cae0265246b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c457589708ac8c86d575ee41b9d8534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1519f0bcc439f5286f936c7e411b3b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14c5d800906c731212a87b32c316f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/4670b590-f298-41c5-9364-1b6d44068d44.png?resizew=344)
(1)求抛物线的解析式;
(2)直接写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)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/53be61cd85ec86aabd164cae0265246b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
8 . 如图,抛物线
与
轴交于
两点(点
位于点
的右边),与
轴交于点
,连接
是抛物线上的一动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/b730e459-fb9e-4804-a422-e440380fa9ae.png?resizew=393)
(1)求抛物线对应的函数表达式以及
两点的坐标.
(2)若点
位于第四象限,过点
作
,求
的最大值.
(3)点
在抛物线的对称轴上,且
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a52e840316fb1ca5cd99cf6f32eb09.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ec7f84f716a316ec92d133927666c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e1d2e6e715231fb70b4c41c65144e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/b730e459-fb9e-4804-a422-e440380fa9ae.png?resizew=393)
(1)求抛物线对应的函数表达式以及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)若点
![](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/902f24325565a9dd95128a633a240da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85517a94764454dfa53e6b754d643d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
2024-01-02更新
|
359次组卷
|
2卷引用:山东省日照市东港区日照港中学2023-2024学年九年级上学期期中数学试题
9 . 已知:抛物线
经过
,
,
三点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/e2f403e4-7970-4474-8d4f-3fac1145c270.png?resizew=468)
(1)求抛物线的解析式;
(2)如图1,
是x轴正半轴上一点,过点D作y轴的平行线,与直线
交于点M,与抛物线交于点N,在图1中探究:是否存在点D,使
?若存在,请求出D的坐标;若不存在,请说明理由;
(3)如图2,点P为直线
上方抛物线上任意一点,连接
、
、
,
交直线
于点E,设
,求当k取最大值时点P的坐标,并求出此时k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d57173ef4cd72eb270686875dfd623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36488f7dff759ace2a27e56c3857056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850e01debd266a398b597a1876dbb3ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/e2f403e4-7970-4474-8d4f-3fac1145c270.png?resizew=468)
(1)求抛物线的解析式;
(2)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24acb5f8778697f06675690936bc387c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25be6617d61a7cb5a88b0d680b252b10.png)
(3)如图2,点P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d86e8928530a34ff3721b998ad5e058.png)
您最近一年使用:0次
10 . 综合与探究:
如图,抛物线
与x轴交于点
和点
,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/1/05013752-4055-4d48-b25f-a4e8b38f5dc9.png?resizew=375)
(1)求此抛物线的函数表达式;
(2)若点D是第三象限抛物线上一动点,连接
,求
面积的最大值,并求出此时点D的坐标;
(3)若点E是抛物线上一点,若
是以
为底的等腰三角形,请直接写出点E的坐标.
如图,抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78531ca6d555e824f53ebae6adb666a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4e3a3a7384f89428febdd4f0d97162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021a243fa77574240318ff3fc00cd650.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/2024/1/1/05013752-4055-4d48-b25f-a4e8b38f5dc9.png?resizew=375)
(1)求此抛物线的函数表达式;
(2)若点D是第三象限抛物线上一动点,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af831ab4b136505ac37d71e97c542753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
(3)若点E是抛物线上一点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2023-12-31更新
|
152次组卷
|
2卷引用:山东省济南市长清区长清区第三初级中学2023-2024学年九年级上学期12月月考数学试题