1 . 若圆
:
与圆
:
内切,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d083eca71363f212352fb3af1c2974d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.29 | B.9 | C.![]() | D.19 |
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2 . 已知圆
与圆
,则两圆公切线的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933190e556729a115e201a622c853ba6.png)
A.1 | B.2 | C.3 | D.4 |
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2024-02-12更新
|
460次组卷
|
3卷引用:安徽省六安市田家炳实验中学2023-2024学年高二下学期开学测试数学试题
3 . 圆
与圆
公切线的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e442ac5ea0a91d7b320941eaa4e9c4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4bbf10a18444a8a131ee1c594d91c8.png)
A.1 | B.2 | C.3 | D.4 |
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2024-02-06更新
|
264次组卷
|
4卷引用:安徽省滁州市2023-2024学年高二上学期1月期末联考数学试题
名校
解题方法
4 . 已知,
,
,若在圆
(
)上存在点
满足
,则实数
的取值范围是
您最近一年使用:0次
2024-02-06更新
|
930次组卷
|
4卷引用:安徽省芜湖市安徽师大附中2023-2024学年高二下学期3月测试数学试题
名校
5 . 已知圆
:
及圆
:
,若存在点P,使得
,
关于点P对称,则
,
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e1611dfbd7a0ff00f33dbfbdfd6a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07fea589a65f3a9639aabeb066db6c2.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.相离 | B.相交 | C.外切 | D.内切 |
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6 . 圆
与圆
的公共弦所在直线方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b69bf1fea44a28e0edc1aaa01834c2.png)
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7 . 两圆
与
的公共弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b0a5e49d8e16b12927798d88e4e314.png)
A.![]() | B.![]() | C.![]() | D.1 |
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8 . 椭圆
任意两条相互垂直的切线的交点轨迹为圆:
,这个圆称为椭圆的蒙日圆.在圆
上总存在点
,使得过点
能作椭圆
的两条相互垂直的切线,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad08a3366008d82b08962f6a99de6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833bf16f0161259e9d973dbdd5c6b18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b5bdfb2e0806a5623eea4ab4ae9dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6dba18751d6641f9fa02f5756be97a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知圆
,直线
,点P为
上一动点.过点P作圆M的切线
,切点为
,当
最小时,直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f85591e60e4312115c5068564b114b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbb5f75f035bc58830b9df835287b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e58e5a299e7b6b508c61244b93ae1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9ce08214287236b3eb3f490a15e28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
10 . 下列命题正确的是( )
A.直线![]() ![]() |
B.圆![]() ![]() |
C.若圆![]() ![]() ![]() |
D.函数![]() ![]() |
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