2.5.2 圆与圆的位置关系
基础练
一、单选题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0744529f24fcc5e296cf510384d164c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990ec810fb427787e80e2db0b6d78cb1.png)
A.相切 | B.内含 | C.相离 | D.相交 |
【知识点】 判断圆与圆的位置关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff92e07d0e87dcd417c0e51db24f081.png)
A.内含 | B.内切 | C.外切 | D.外离 |
【知识点】 圆与圆的位置关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d74012e8a63387b2b0a627d2a7c66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be5a480e416d8596ff58b076f7939b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 判断圆与圆的位置关系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f894bd70d89755e67be0a5934173efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff36d8a1fd2ef292c62f024ff826e9.png)
A.4 | B.25 | C.5 | D.16 |
【知识点】 由圆的位置关系确定参数或范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31e5fe07b9216105ec1c8b3b9915d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
( )
A.![]() | B.![]() | C.24 | D.16 |
【知识点】 由圆与圆的位置关系确定圆的方程
二、填空题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1abd2f67ce344905b8d89a139fbf304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299b9274e61eafb5bb2d07f8d5a70bfa.png)
【知识点】 相交圆的公共弦方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71bb5e6891d5014a58cf32646655dad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b80eae0bdb1f689edfad97e2e0271a5.png)
【知识点】 由直线与圆的位置关系求参数 圆的公共弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe87fbf596ed263ab93b87013eeca9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b055e6817221ea7291eebc6d73c37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
【知识点】 由标准方程确定圆心和半径 由圆的位置关系确定参数或范围
三、解答题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0c900ae6e90e1825d0c80f90a7096e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b5aba40ffdcf42549e9808bfd63c6e.png)
(1)把圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)试求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)