如图,圆
内有一点
,
为过点
的弦,若弦
被点
平分时,则直线
的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd89a03660c85fb78bd7fe82ee3068c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6397893c31fc14f8d00a41b05b865de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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更新时间:2022-12-10 19:14:22
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相似题推荐
单选题
|
较易
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【推荐1】直线
过点
,且与点
的距离最远,则直线
的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2518e7b8b5d030370382bd0bd8bff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88dc77a2f5276aca07cb23ba75b9b673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
【推荐2】已知圆M:
内有点
,则以点P为中点的圆M的弦所在直线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550d183b05000722c74baf25eb4a6741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae104d6d67d114b588a5680b124b0e45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
【推荐1】若双曲线
的渐近线将圆
平分,则双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd59bdc76240a4c5842eb5c6dabff84.png)
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【推荐2】在平面直角坐标系xOy中,已知点
,
,若直线
上存在点P使得
,求实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14c55e2102e1ab6fe5c053af62c8937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d53dc90eda37470f48cd23694bd3075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827b756ec9b7041d9fdbb7004e708846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9dca3602219c462e015824a43def79.png)
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【推荐1】已知圆
,则直线
截圆C所得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302347fb029954085e83bcbf8e7f3439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4ce9d2ca51d84ac4f6a0e8ec7adcc4.png)
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