如图,在平面直角坐标系
中,直线
与抛物线
交于A,B两点,点B在x轴上,点A在y轴上.
![](https://img.xkw.com/dksih/QBM/2024/4/2/3466910429642752/3469969923293184/STEM/db6c2af8f7504b6584bded78f43671ee.png?resizew=170)
(1)求抛物线的函数表达式;
(2)点C是直线
上方抛物线上一点,过点C分别作x轴,y轴的平行线,交直线
于点D,E.当
时,求点C的坐标;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ef43ad29077d67b4035748729a5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://img.xkw.com/dksih/QBM/2024/4/2/3466910429642752/3469969923293184/STEM/db6c2af8f7504b6584bded78f43671ee.png?resizew=170)
(1)求抛物线的函数表达式;
(2)点C是直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4328291fea61124a5b8b47fcbf597fb.png)
更新时间:2024-04-07 23:23:11
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】在平面直角坐标系xOy中,将直线
向下平移2个单位后,与一次函数
的图象相交于点A.
(1)将直线
向下平移2个单位后对应的解析式为 ;
(2)求点A的坐标;
(3)若P是x轴上一点,且满足△OAP是等腰直角三角形,直接写出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e434a6fc177990ab7f2b604c111e1a.png)
(1)将直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
(2)求点A的坐标;
(3)若P是x轴上一点,且满足△OAP是等腰直角三角形,直接写出点P的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/3794c734-957d-4ab4-a13f-82978047cdd3.png?resizew=270)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,一次函数
的图象与x轴交于点
,与y轴交于点B,且与正比例函数
的图象交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/a5ae6eaa-4b3f-4ba5-94dc-45837e0cfb57.png?resizew=147)
(1)求m的值和一次函数
的表达式;
(2)若点P是y轴上一点,且
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86bebdf5931efbdc627baa52f97392e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4725178926e7c9976d2b3230ff0ea7a1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/7/a5ae6eaa-4b3f-4ba5-94dc-45837e0cfb57.png?resizew=147)
(1)求m的值和一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
(2)若点P是y轴上一点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda82b6e8be9856aa3e52776d441a7ef.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知,一抛物线经过点(0,﹣1),(1,﹣2),(﹣2,7),求其解析式及其顶点坐标.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,抛物线y=ax2+2x+c与x轴交于A、B(3,0)两点,与y轴交于点C(0,3).
(1)求该抛物线的解析式;
(2)在抛物线的对称轴上是否存在一点Q,使得以A、C、Q为顶点的三角形为直角三角形?若存在,试求出点Q的坐标;若不存在,请说明理由.
(1)求该抛物线的解析式;
(2)在抛物线的对称轴上是否存在一点Q,使得以A、C、Q为顶点的三角形为直角三角形?若存在,试求出点Q的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2018/12/17/2098897831460864/2100891661778944/STEM/6e90e2cd6e104d2bb2ece729444bea0a.png?resizew=235)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐1】如图,在正方形ABCD中,M是AB边的中点,E是AD边上的一点,且EM⊥CM,求证:
![](https://img.xkw.com/dksih/QBM/2022/1/21/2898993607884800/2899774064402432/STEM/5b5ba82e-f477-47a0-9eac-7c395384066d.png?resizew=151)
(1)△AEM∽△BMC;
(2)
;
(3)CM平分∠BCE.
![](https://img.xkw.com/dksih/QBM/2022/1/21/2898993607884800/2899774064402432/STEM/5b5ba82e-f477-47a0-9eac-7c395384066d.png?resizew=151)
(1)△AEM∽△BMC;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad53e867468ea658b9f50a55589bd58.png)
(3)CM平分∠BCE.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在
中,
.
上找一点
,使点
到
和
的距离相等.
(2)
为
上一点,经过点
的
分别交
,
于点
,
.求证:
是
的切线;
(3)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80934ff67b4ceeaa13b00c029db565dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3032820a0d2d50d9143e7923f5936ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc560914a24fb80a6608da7a188f8724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,经过
,
两点的抛物线
与y轴交于点C.
(1)求抛物线对应的函数表达式及点C的坐标;
(2)若线段
上有一动点M(不与B,C重合),过点M作
轴交抛物线于点N.
①当线段
的长度最大时,求此时点M的坐标;
②是否存在一点M,使得四边形
为菱形?若存在,求出点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2af27f3daf3931a4734a69d24bad760.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/20/df63cc46-eebe-48dc-966a-a3fc194b9ddf.png?resizew=147)
(1)求抛物线对应的函数表达式及点C的坐标;
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52cbeb9b1c1d637b903cf3e5c7f730f6.png)
①当线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
②是否存在一点M,使得四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a9772d33e5e7a4e4ec60810d9a97d2.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,抛物线
与x轴交于A、B两点(点A在点B左边),与y轴交于C,直线
经过B、C两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/2/abc4c6f2-fe70-450b-bd6d-81d3c30cf34c.png?resizew=185)
(1)求抛物线的解析式;
(2)点P是抛物线上的一动点,过点P且垂直于x轴的直线与直线
及x轴分别交于点D、M.设
,点P在抛物线上运动,若P、D、M三点中恰有一点是其它两点所连线段的中点(三点重合除外),请直接写出符合条件的m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24edd2a1d145627d07330524017daf5c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/2/abc4c6f2-fe70-450b-bd6d-81d3c30cf34c.png?resizew=185)
(1)求抛物线的解析式;
(2)点P是抛物线上的一动点,过点P且垂直于x轴的直线与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7143fa23579131133e86e96baa01e8fe.png)
您最近一年使用:0次