1 . 圆
与圆
相交于A、B两点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168f39d12a373d597c4c0ad724335c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794a2b32e216fa64dbbc9bfa60acf967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e78f437d506c72c3ce4ad3aa9a5ab749.png)
A.2 | B.![]() | C.![]() | D.6 |
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2024-03-03更新
|
731次组卷
|
5卷引用:江苏省南京市田家炳高级中学2023-2024学年高二下学期期中考试数学试卷
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2 . 已知圆
和圆
相交于A,B两点,则弦AB的长为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eccc2cc5512d2c4a2a1ff35cbf395314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e983a503b8f416f932da29524f46d552.png)
A.![]() | B.![]() | C.4 | D.2 |
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2024-03-01更新
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594次组卷
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2卷引用:江苏省东台市2023-2024学年高二上学期期末数学试题
3 . 已知点
和圆Q:
,则以PQ为直径的圆与圆Q的公共弦长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a789526b5dbf97449e2290e21a7aa48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc38093e305fcfed4f84e61dec0e9fd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-01更新
|
205次组卷
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2卷引用:江苏省射阳中学2023-2024学年高二下学期阶段测试2(5月)数学试题
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4 . 下列结论中正确的是( )
A.已知曲线![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() |
C.若直线![]() ![]() ![]() |
D.圆![]() ![]() |
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5 . 已知点
,
是圆
上的一动点,点
是线段
的中点.
(1)求点
的轨迹方程;
(2)已知
、
是直线
上两个动点,且
.若
恒为锐角,求线段
中点
的横坐标取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3cb96f78ec5153e97ba299e8d18ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3497af3942a788b64c6b91b62a8dbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4afe0675f2c733af5c05ca00811c5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc94d2886db80a11b81b71f9a6d1d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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解题方法
6 . 下列结论正确的是( )
A.![]() ![]() ![]() ![]() ![]() ![]() |
B.直线![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.与点![]() ![]() |
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7 . 两圆
与
的公切线有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c69b6098aad9ab2bfea8089d7377b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe459ab8ef62ff800a2495c935e8f3d.png)
A.1条 | B.2条 |
C.3条 | D.4条 |
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8 . 在平面直角坐标系
中,已知一动圆
经过
,且与圆
:
相切,则圆心
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02a420d06091c0fb4b43beffe322c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.直线 | B.椭圆 | C.双曲线 | D.拋物线 |
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9 . 在平面直角坐标系
中,已知圆
,圆
.若圆心在
轴上的圆
同时平分圆
和圆
的圆周,则圆
的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4caf4f6f15f23693609d28410d62d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4482afca864fdfcf5b2c12fb36d7257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 下列结论中正确的是( )
A.若直线![]() ![]() ![]() ![]() |
B.已知曲线![]() ![]() ![]() ![]() ![]() |
C.若直线![]() ![]() ![]() |
D.圆![]() ![]() |
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