两条抛物线
,
相交于A,B两点,点A在x轴负半轴上,且为抛物线
的最高点.求抛物线
的解析式及点B的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c60bcdd38318bcb70e0ba7547ac056c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66fbd6dc3dcdd828dfea94bb99236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/4/031511c6-f571-489b-a431-928d3c90f9c9.png?resizew=168)
更新时间:2024-04-04 16:53:37
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系xOy中,边长为2的正方形OABC的顶点A、C分别在x轴、y轴的正半轴上,二次函数y=
的图像经过B、C两点.
![](https://img.xkw.com/dksih/QBM/2014/3/26/1573717187076096/1573717193564160/STEM/22722b2da6de46748421e9cb1be2d316.png)
(1)求该二次函数的解析式;
(2)结合函数的图像探索:当y>0时x的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/3/26/1573717187076096/1573717193564160/STEM/fbf8ecdbbe4041aa8a403b7c5198bedc.png)
![](https://img.xkw.com/dksih/QBM/2014/3/26/1573717187076096/1573717193564160/STEM/22722b2da6de46748421e9cb1be2d316.png)
(1)求该二次函数的解析式;
(2)结合函数的图像探索:当y>0时x的取值范围.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系xOy中,已知直线
和抛物线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/12669801-1cb4-47b1-830c-c98328c4277a.png?resizew=212)
(1)当抛物线对称轴为直线
时,求其解析式.
(2)设(1)中的抛物线与直线
交于A、B两点,问该抛物线的对称轴上是否存在点P,使得A、B、P与平面上一点Q构成正方形?若存在求出P点坐标;若不存在,请说明理由.
(3)已知点
.若抛物线与线段
有公共点,结合函数图象,直接写出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9251b206dafd01c146c52d69aa8c6f0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/12669801-1cb4-47b1-830c-c98328c4277a.png?resizew=212)
(1)当抛物线对称轴为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)设(1)中的抛物线与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e1829558f256b07fcd9262e5991174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa29fe6cd9eb51c184f6299d437375cb.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】已知函数
(其中
、
为常数).
(1)当
,且函数图象经过点
时,求函数的表达式及顶点坐标.
(2)若该函数图象的顶点坐标为
,且经过另一点
,求
的值.
(3)若该函数图象经过
,
,
三个不同点,记
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239ea0e903fbb4c8ce04133b9969578c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
(2)若该函数图象的顶点坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efa6e6840235cbfe76f9827fc755d4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b914a8d5a95084885b75fee06c8fc0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598e17251bb912de24d31572b7f01686.png)
(3)若该函数图象经过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495074e57100390220f7ed4ed02ace24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9284d6e6db092fc6602e3eb368bedf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7c8529e5414bee90ef9a383112a202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a7f9794979df8ab982eb8f9e011f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba84caf91202df9aca6302e6860f82e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在平面直角坐标系
中,抛物线
与
轴的交点为
、
,(点
在点
的左侧),顶点为
.
(1)求
的长;
(2)若以
为顶点的三角形为直角三角形,求
的值;
(3)横、纵坐标都是整数的点叫做整点,若抛物线在点
之间的部分与线段
所围成的区域内(不包括边界)恰有1个整点,结合函数的图象,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/359e576163c0ce51c943c22f15aadff1.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/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)横、纵坐标都是整数的点叫做整点,若抛物线在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次