1 . 在平面直角坐标系中,抛物线
与x轴交于
,
两点,与y轴交于点C.
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897978348896256/2900168320950272/STEM/e372f7c3-8ae3-4c89-a07b-a2a7799c7904.png?resizew=572)
(1)求该抛物线的解析式;
(2)如图1,点D是OC的中点,P是抛物线上位于第一象限的动点,连接PD,PB、BD,求
面积的最大值及此时点P的坐标;
(3)如图2,将原抛物线水平向右平移,使点A落在点
处,点M是原抛物线对称轴上任意一点,在平移后的新抛物线上确定一点N,使得以点B、C、M、N为顶点的四边形为平行四边形,直接写出所有符合条件的点N的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415ce7008a89ffca8c3c3edbf13a935e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897978348896256/2900168320950272/STEM/e372f7c3-8ae3-4c89-a07b-a2a7799c7904.png?resizew=572)
(1)求该抛物线的解析式;
(2)如图1,点D是OC的中点,P是抛物线上位于第一象限的动点,连接PD,PB、BD,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
(3)如图2,将原抛物线水平向右平移,使点A落在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a62c9695f5a1691c5fe8724fa764b7.png)
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2 . 如图,在平面直角坐标系中,抛物线
与x轴交于A、B两点(A在B的左侧),与y轴交于点C,已知点
,此抛物线对称轴为
.
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898669644013568/2899175009157120/STEM/2f755c60-d338-4df2-9683-ec1bdc73330f.png?resizew=583)
(1)求抛物线的解析式;
(2)将抛物线向下平移t个单位长度,使平移后所得抛物线的顶点落在
内(包括
的边界),求t的取值范围;
(3)设点P是抛物线上任一点,点Q在直线
上,
能否成为以点P为直角顶点的等腰直角三角形?若能,求出符合条件的点P的坐标:若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ceba6b11658f2cc227b1f550ba25c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7291b3d921f595f28960abcdce6dfbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d599059e6b2c918ab15ee22611b6962.png)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898669644013568/2899175009157120/STEM/2f755c60-d338-4df2-9683-ec1bdc73330f.png?resizew=583)
(1)求抛物线的解析式;
(2)将抛物线向下平移t个单位长度,使平移后所得抛物线的顶点落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
(3)设点P是抛物线上任一点,点Q在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c9d44deafbbbb631c4c0db884c8874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c499b1f470978c4f8cc05ffdebc2e961.png)
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2022-01-21更新
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261次组卷
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5卷引用:重庆市潼南区2021-2022学年九年级上学期期末数学试题
重庆市潼南区2021-2022学年九年级上学期期末数学试题湖北省黄石市初中教研协作体2022--2023学年九年级上学期期末考试数学试卷(已下线)(挑战压轴)专项5.10 二次函数与直角三角形有关问题-2022-2023学年九年级数学下册《同步考点解读·专题训练》(苏科版)(已下线)(挑战压轴)专项2.8 二次函数与等腰(直角)三角形有关问题-2022-2023学年九年级数学下册《同步考点解读·专题训练》(北师大版)2024学年江苏省盐城市九年级下学期中考前热身练习数学模拟预测题
3 . 如图,抛物线
与直线
交于
、
两点.点
的横坐标为
,点
在
轴上,点
是
轴左侧抛物线上的一动点,横坐标为
,过点
作
轴于
,交直线
于
.
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973754689282048/2981552556580864/STEM/1ebdc00b-ea42-46fd-8be5-2aed21c72b78.png?resizew=201)
(1)求抛物线的解析式;
(2)是否存在点
,使
是直角三角形?若存在,求出点
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.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/81fb134b2b48acc99213fff6ccfee65f.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e7c6d54b0d73fa8d3af7f2a4d7f049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2022/5/6/2973754689282048/2981552556580864/STEM/1ebdc00b-ea42-46fd-8be5-2aed21c72b78.png?resizew=201)
(1)求抛物线的解析式;
(2)是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2357afc90ee9625e31484defac488e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
解题方法
4 . 如图1,在平面直角坐标系中,抛物线与x轴交于点A(3,0),B(﹣1,0),与y轴交于C点,且OC=3OB,连接OD.
(2)P点为抛物线上AD部分上一动点,过P点作PF∥DE交AC于F点,求四边形DPAF面积的最大值及此时P点坐标.
(3)在(2)问的情况下,把抛物线向右平移两个单位长度,在平面内找一个点N,使以D、P、M、N为顶点的四边形为矩形
(2)P点为抛物线上AD部分上一动点,过P点作PF∥DE交AC于F点,求四边形DPAF面积的最大值及此时P点坐标.
(3)在(2)问的情况下,把抛物线向右平移两个单位长度,在平面内找一个点N,使以D、P、M、N为顶点的四边形为矩形
您最近一年使用:0次
2022-02-25更新
|
442次组卷
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5卷引用:重庆市第八中学校2020-2021学年九年级下学期定时训练数学试卷(二)试题
重庆市第八中学校2020-2021学年九年级下学期定时训练数学试卷(二)试题2021年重庆市北碚区西南大学附中中考数学四模试题(已下线)专题02 二次函数中的矩形-【微专题】2022-2023学年九年级数学上册常考点微专题提分精练(浙教版)山东省烟台市蓬莱区2022-2023学年九年级下学期期中数学试题(五四学制)(一模)浙江省湖州市德清县2022-2023学年九年级下学期期中数学试题
名校
5 . 如图,抛物线y=ax2+bx+4经过点A(﹣1,0),B(2,0)两点,与y轴交于点C,点
是拋物线在
轴上方,对称轴右侧上的一个动点,设点D的横坐标为m.连接AC,BC,
,DC.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/1/ac6bf899-a75d-42e4-a1b3-254cf02aaf29.png?resizew=170)
(1)求抛物线的函数表达式;
(2)当△BCD的面积与△AOC的面积和为
时,求m的值;
(3)在(2)的条件下,若点M是x轴上一动点,点
是抛物线上一动点,试判断是否存在这样的点M,使得以点B,D,M,
为顶点的四边形是平行四边形.请直接写出点M的坐标;若不存在,请说明理由.
![](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/7d97dc3b752832906de41447bb58a341.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/1/ac6bf899-a75d-42e4-a1b3-254cf02aaf29.png?resizew=170)
(1)求抛物线的函数表达式;
(2)当△BCD的面积与△AOC的面积和为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85f29c0860b57a8f0cf8098c13a97e.png)
(3)在(2)的条件下,若点M是x轴上一动点,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
2022-02-13更新
|
846次组卷
|
4卷引用:2021年重庆十八中两江实验中学中考数学二诊试题
2021年重庆十八中两江实验中学中考数学二诊试题(已下线)专题22 平行四边形的存在性问题-备战2022年中考数学母题题源解密(全国通用)2022年湖北省十堰市丹江口市初中毕业生学业水平诊断考试数学试题2022年湖北省十堰市房县毕业生学业水平诊断考试数学试题
名校
6 . 如图,
中,点D、E分别在
、
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/10bc087f-04be-4a4a-8873-a5c01a046a13.png?resizew=564)
(1)如图1,已知
,
,若
,求
的长.
(2)如图2,F为
延长线上一点,连接
,
恰好平分
,延长
交
延长线于点G,连接
,已知
,
,求证:
.
(3)如图3,
,
,
,延长
至点P,使得
.过点B作
于点F,在
上截取
,过点G作GH
BC交
于点H,交
于点M,点Q为平面内一动点,且满足
,连接
,当
最小时,直接写出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102e836344156ea835d7d4e9b4120fe8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/10bc087f-04be-4a4a-8873-a5c01a046a13.png?resizew=564)
(1)如图1,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998329f9cdb86f5d60d7d5d70fc3781e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ce06dbe9e1177468781ba4aff85ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8fa3c22ae58464bb0ca4552102da2b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)如图2,F为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd94dd51562ecbee6edd4265326b765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26fca53bda1cd4b67e7ac9f9fa40c9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e1dd2472679aeed39cd88639f949d4.png)
(3)如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f04e1d43c3de95ba1acaa3d15f572f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2a245381e615882ee5feb7793a1df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1d1c1e76180fe060ea48fc55bf3ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19fe759caa6b49f74399bdfe2e1ef4fd.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/ab2a2834d80ff574e79eae8ca8d4e94f.png)
您最近一年使用:0次
7 . 如图,抛物线
与x轴交于A、B两点,且B点的坐标为(3,0),经过A点的直线交抛物线于点D(2,3).
![](https://img.xkw.com/dksih/QBM/2021/10/1/2820060903784448/2825614995456000/STEM/36e79d9c-e7ed-446c-a154-3872598f1547.png)
(1)求抛物线的解析式和直线AD的解析式:
(2)点E为x轴上一点,点F为抛物线上一点,是否存在点E,使得以A、D、E、F为顶点的四边形是平行四边形?如果存在,求出满足条件的点E的坐标:如果不存在,请说明理由
(3)点M为直线AD上方抛物线上一点,求当
的面积最大时M点的坐标及最大的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://img.xkw.com/dksih/QBM/2021/10/1/2820060903784448/2825614995456000/STEM/36e79d9c-e7ed-446c-a154-3872598f1547.png)
(1)求抛物线的解析式和直线AD的解析式:
(2)点E为x轴上一点,点F为抛物线上一点,是否存在点E,使得以A、D、E、F为顶点的四边形是平行四边形?如果存在,求出满足条件的点E的坐标:如果不存在,请说明理由
(3)点M为直线AD上方抛物线上一点,求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101da161ae17652ccbe7d3f888762c2d.png)
您最近一年使用:0次
2021-10-09更新
|
788次组卷
|
2卷引用:重庆市求精中学校2021-2022学年九年级上学期期中数学试题
名校
8 . 如图,在平面角坐标系中,已知抛物线
与
轴交于点
和点
,点
在点
的左侧,与
轴交于点
.
(1)求
点、
点的坐标;
(2)点
是第四象限内的抛物线上一点,连接
,
,
.若四边形
的面积为
,请求出此时点
的坐标;
(3)将抛物线沿射线
方向平移
个单位长度得到新抛物线
,新抛物线
与原抛物线对称轴交于点
.点
为新抛物线
上的一个动点,点
为直线
上一点,直接写出所有使得以点
,
,
,
为顶点构成的四边形是平行四边形的点
的横坐标,并把求其中一个点
的横坐标的过程写出来.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d794141572c8b1e70957754f32b9eb.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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31c168b883daa13e8a284c1770527b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b70cd1d8abed65c7c311c85ed6da92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)将抛物线沿射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4056761b8f826eeb6ad8c9a151d3c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/91283c5182d4537a095e2e30f5f4bcc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/21/2c7f01cc-2b14-4c73-b7ab-81d868576089.png?resizew=454)
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2021-10-08更新
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2卷引用:重庆市第一中学校2021-2022学年九年级上学期第一次月考数学试题
名校
9 . 如图1,在平面直角坐标系中,抛物线
与
轴交于
、
两点(点
在点
的左侧),与
轴交于点
,点
为直线
上方抛物线上一动点.
的解析式;
(2)过点
作
交抛物线于
,连接
,
,
,
,记四边形
的面积为
,
的面积为
,当
的值最大时,求
点的坐标和
的最大值;
(3)如图2,将抛物线水平向右平移,使得平移后的抛物线经过点
,
为平移后的抛物线的对称轴直线
上一动点,将线段
沿直线
平移,平移后的线段记为
(线段
始终在直线
左侧),是否存在以
,
,
为顶点的等腰直角
?若存在,请写出满足要求的所有点
的坐标并写出其中一种结果的求解过程,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2491daca6e57922659ba528830f3fe3.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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/a31c168b883daa13e8a284c1770527b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38c43d922840f5f7693007beeb62b34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38c43d922840f5f7693007beeb62b34.png)
(3)如图2,将抛物线水平向右平移,使得平移后的抛物线经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](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/24cfad1ba71a78d8f415335cde2f8c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cfad1ba71a78d8f415335cde2f8c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6459e98437278e5deae9d85f7f78259b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
您最近一年使用:0次
2021-07-30更新
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457次组卷
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4卷引用:重庆实验外国语学校2020-2021学年九年级下学期第二次诊断性考试数学试题
重庆实验外国语学校2020-2021学年九年级下学期第二次诊断性考试数学试题2021年重庆实验外国语学校中考数学二诊试题(已下线)专题02 二次函数与直角三角形问题-挑战2022年中考数学压轴题之学霸秘笈大揭秘2024年广东省揭阳实验中学中考模拟数学试题
名校
解题方法
10 . 如图,抛物线
交x轴于
两点,交y轴于点C.其中点
,连接
.
![](https://img.xkw.com/dksih/QBM/2021/5/28/2730644304543744/2730746836303872/STEM/9dced7da-3e63-4e1c-8e5a-ec1cc5a2eb0c.png)
(l)求抛物线的解析式;
(2)如图1,在抛物线上
两点间有一动点P(点P不与
两点重合),过点P作
的平行线,交
于点G,求
的最大值及此时点P的坐标;
(3)如图2,将抛物线
沿射线
方向平移
个单位长度得到新抛物线
,点M为新抛物线对称轴上的一动点,点N为平面内的任意一点,是否存在点N使得以
为顶点的四边形是以
为边的菱形,若存在,请直接写出所有符合条件的点N的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc55d8b07cd762a230d18e74bf8c8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e675a92cad72c65aa4071b9d9e226090.png)
![](https://img.xkw.com/dksih/QBM/2021/5/28/2730644304543744/2730746836303872/STEM/9dced7da-3e63-4e1c-8e5a-ec1cc5a2eb0c.png)
(l)求抛物线的解析式;
(2)如图1,在抛物线上
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](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/4505508b3e36db64a207dcdaf8eb22dc.png)
(3)如图2,将抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550ccbc8921121c14419899f4538ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c3a4038ea051accf0922cc52291797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
2021-05-28更新
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4卷引用:2021年重庆市两江新区中考适应性测试九年级数学试卷
2021年重庆市两江新区中考适应性测试九年级数学试卷重庆市第七中学校2021-2022学年九年级上学期12月月考数学试题重庆市涪陵区涪陵第七中学校2022-2023学年九年级上学期第三次月考数学试题(已下线)专题07 二次函数与菱形存在性问题-挑战2022年中考数学压轴题之学霸秘笈大揭秘