1 . 已知圆
,直线
,点
在直线
上运动,直线
分别切圆
于点
.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e948b27f4756cb8ad3cbbbaf13e1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814364e874a81f19b4570df961b42df2.png)
![](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/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.四边形![]() ![]() |
B.![]() ![]() ![]() |
C.直线![]() ![]() |
D.![]() ![]() ![]() |
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解题方法
2 . 已知圆C:
,则下述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c171c8206321869c402f0caf587b8747.png)
A.圆![]() ![]() ![]() |
B.过点![]() ![]() |
C.直线![]() ![]() |
D.圆![]() ![]() |
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3 . 设圆
,圆
,则圆
的位置关系( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518f518c6211e5eefad064c865d6569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2ba448637e2b07e63277705d8d67c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
A.内含 | B.外切 | C.相交 | D.相离 |
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4 . 在平面直角坐标系xOy中,已知直线l:
交x轴于点A,交y轴于点B,点P是直线上l的一点,过P作圆C:
的两条切线,切点分别为M,N,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04836ba2906cf6f1e9aecd2a00824aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6d5018b988d9843479cfdcfd3a522d.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.四边形PMCN的面积的最小值为![]() |
D.O点到直线MN的距离的最大值为1 |
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解题方法
5 . 已知点
在曲线
上,点
三点共线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fe6e7f3789a5ac14e404393a628a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565bbfd105212833b4f7912110c66c63.png)
A.当直线![]() ![]() ![]() ![]() |
B.满足![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() |
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6 . 若直线
与圆
及圆
共有3个公共点,则所有符合条件的a的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30be9baff9da707f2b7cd008a6e686f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800cc7f86ac1d6474e945a8a010336ef.png)
A.0 | B.![]() | C.![]() | D.![]() |
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2023-12-13更新
|
391次组卷
|
2卷引用:河北省石家庄二十八中2023-2024学年高二上学期期中数学试题
7 . 已知直线
与x轴交于点A,点P在直线l上,圆
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3497af3942a788b64c6b91b62a8dbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0989c783f781623d4555eae9df63515a.png)
A.直线l在x轴上的截距为![]() |
B.当过点A的直线![]() ![]() |
C.以点A为圆心的圆A与圆C相切时,半径为![]() |
D.当圆C上有唯一点B满足![]() ![]() |
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8 . 圆
与圆
的公切线有( )条.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f631d0da35f1d0aee22e094726a11d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a147c77f820f530c00a8a111226664ba.png)
A.1 | B.2 | C.3 | D.4 |
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9 . 已知圆
:
,圆
:
,如果这两个圆有公共点,则实数a取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb48738307163a3d6da75378fffbeb4.png)
您最近一年使用:0次
2023-12-12更新
|
269次组卷
|
3卷引用:江苏省泰州市口岸中学2023-2024学年高二上学期期中考试数学试卷
江苏省泰州市口岸中学2023-2024学年高二上学期期中考试数学试卷江西省上饶市艺术学校2023-2024学年高二上学期12月月考数学试题(已下线)2.5.2 圆与圆的位置关系【第二练】“上好三节课,做好三套题“高中数学素养晋级之路
名校
10 . 已知圆
,点
是直线
上一动点,过点
作圆
的切线
,
,切点分别是
和
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a10d715d1bb7ff3df392f8c43c5928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7053364523e655abed4a0c887fae69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.圆![]() ![]() ![]() |
B.切线长![]() ![]() |
C.当![]() ![]() ![]() |
D.直线![]() ![]() |
您最近一年使用:0次