若直线
与圆
的两个交点恰好关于
轴对称,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d781af85e8ec3e967f0496e7d4f6a2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bf1e71516856ca8fd3def9fca3f069.png)
A.0 | B.1 | C.2 | D.3 |
21-22高二上·四川眉山·期中 查看更多[2]
更新时间:2021-11-30 13:24:37
|
【知识点】 直线与圆相交的性质——韦达定理及应用
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【推荐1】直线
与圆
的两个交点恰好关于
轴对称,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27158b659b21c1ca671c3d720eb12556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
【推荐2】已知直线
与圆
相交于
两点,若圆
与
轴的交点为
,则直线
与
交点的横坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/399980676af7789fb9a91c7fcdeb90d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
A.2 | B.3 | C.4 | D.6 |
您最近一年使用:0次