已知圆O的方程为
且与圆O相切.
(1)求直线
的方程;
(2)设圆O与x轴交与P,Q两点,M是圆O上异于P,Q的任意一点,过点A且与x轴垂直的直线为
,直线PM交直线
于点
,直线QM交直线
于点
求证:以
为直径的圆
总过定点,并求出定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d0291ef362f1033f5aad87a2e93b8b.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)设圆O与x轴交与P,Q两点,M是圆O上异于P,Q的任意一点,过点A且与x轴垂直的直线为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7d49e85fc56283eb56419fd01e06cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6423d2ef63333d8af74864586b7f2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ef73bd07011d88bab2e4223b2631af.png)
2021高二·江苏·专题练习 查看更多[2]
更新时间:2022-01-04 06:41:14
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【推荐1】设抛物线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d599cb4a589f90b0205f24c2e1fa021e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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【推荐2】已知以点
(
且
)为圆心的圆经过原点O,且与x轴交于点A,与y轴交于点B.
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的面积为定值;
(2)设直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5125c40a618066982566e37f469acf85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823ab696d27d40920c39b8c910789380.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056e249d0c33ef92b956f84937fa9324.png)
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【推荐1】已知点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a160c78f124d6ed7f2d2fb62d0d524.png)
(1)求过点M的圆C的切线方程;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ca6af1a0ac44fb75113691d6bcaf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ca6af1a0ac44fb75113691d6bcaf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知圆C经过点
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