在平面直角坐标系中,已知定点
,
的外接圆为圆M,直线
的方程为
.
(Ⅰ)求圆M的方程;
(Ⅱ)若直线
与圆M相切,求k的值;
(Ⅲ)若直线
与圆M相交于
两点,
,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba5e75b6e2c8f1c1a9dbea36c2ae681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8041c797b98b834c70dbf7d1d4346.png)
(Ⅰ)求圆M的方程;
(Ⅱ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅲ)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70de1ffdd9aa376b09bbcfa12644a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d7a771deeb0769cc98c5875ad65aac.png)
20-21高二上·北京·期末 查看更多[2]
北京市人大附中2020-2021学年度高二年级上学期数学期末练习试题(已下线)专题01 直线与圆(重点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)
更新时间:2021-01-27 13:31:36
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