名校
解题方法
1 . 已知圆
的方程为:
,点
.
(1)求过点
的
的切线方程;
(2)过点
的直线
被圆
所截得的弦长为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f308668d4851884b03c3475dff4ef65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2b1410f44205658cea90e9ce85101c.png)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-12-07更新
|
779次组卷
|
4卷引用:山东省日照市2023-2024学年高二上学期期中校际联合考试数学试卷
名校
2 . 已知圆C:
.
(1)过点
向圆C作切线l,求切线l的方程;
(2)若Q为直线m:
上的动点,过Q向圆C作切线,切点为M,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d0085ba8f6efd6ba45a6bcc4f4fc0d.png)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9a3ea5e76e165faeabfdbc9717c287.png)
(2)若Q为直线m:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f933b7ecf97ad3842ef891a831449a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71684a46ec1ba25ba0b5a530995310f.png)
您最近一年使用:0次
2022-11-23更新
|
581次组卷
|
6卷引用:山东省日照市实验高级中学2023-2024学年高二上学期期中模拟数学试题一
解题方法
3 . 已知直线
与圆
交于
、
两点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
(1)求
的值;
(2)当
时,求过点
的圆
的切线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe2d78f43611bad0d264eb3222f2472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838fe814b9dad1597ef8cd49fa8d06c2.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/699fc9b7e879af4866aaa07848dfb423.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfb23a9e07213cb76990dbedfc7feca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次