1 . 已知直线
与抛物线
交于
两点,且
.
(1)求抛物线
的标准方程;
(2)若点
,求
外接圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385cd2fe95ca8875c9bbbb77a9fb7cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3151eaa237654c6e110e36a1510196fd.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32af1da88a0323514e5ab888f449117f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
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2 . 已知圆
过点
,圆
.
(1)求圆
的方程;
(2)判断圆
和圆
的位置关系并说明理由;若相交,则求两圆公共弦的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca0446aca9d8c3da619a3436ba650ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa97986dd8b6302eaa7afe35260b075.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)判断圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2024高三下·全国·专题练习
名校
3 . 求过直线
和圆
的交点,且面积最小的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ce1369b877ab954121015ffa229f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d6d0a046281db9a588d76b4fc2199.png)
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4 . 已知圆M经过
,
两点,且与x轴相切,圆O:
.
(1)求圆M的一般方程;
(2)求圆M与圆O的公切线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a475d30f8a83feed0ed3c238bb24580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
(1)求圆M的一般方程;
(2)求圆M与圆O的公切线方程.
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5 . 已知的顶点坐标分别是
,
,
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3fb2da3909e643ef238b8d0ac559e6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3fb2da3909e643ef238b8d0ac559e6.png)
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2024高三下·全国·专题练习
6 . 求过圆:
与圆:
的交点,圆心在直线:
圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f7410a0e31079e8701c3f077143bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c560968a9e9443bec3accf223c1974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044cfca7b534fa44075ded7f1a6aa038.png)
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2024高三下·全国·专题练习
7 . 求过两圆
和
的交点且面积最小的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a143573e9fe53e6a861154bf5b4c27c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dee1bfa7b7b2b6f730e5c926a9df570.png)
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名校
8 . 已知圆C的圆心在直线
上,且过
,
两点.
(1)求圆C的方程;
(2)已知l:
,若直线l与圆C相切,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/017ebcd839f65312db83ca09d42b14b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6c8170dd3ad55d366c866dfa21c7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aab5da44c04986fec56fe0429e7bd38.png)
(1)求圆C的方程;
(2)已知l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3912a616d279f26a679ecc768c722b2.png)
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9 . 已知圆
经过三点
,
,
.
(1)求圆
的方程;
(2)过
的直线
与圆
交于另一点
,且
为等腰直角三角形,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f68f688a0af020ed2aa105a1bcdb52.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b13964019381c4cd9de05f95c4261b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
10 . 已知
,圆
为
的外接圆.
(1)求圆
的方程;
(2)若过点
的直线
被
截得的弦长为
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00e8ca83e2a3829f46ca8d233a036ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8f9648c81481bb487a43f95c04d991.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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