名校
解题方法
1 . 已知圆O:
(
)与圆C:
有两个不同的交点D,E.
(1)求r的取值范围;
(2)若
,求线段DE的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3503d330608e7138d1b529aba4512fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a50038a35665cf0d5a714217babd76e.png)
(1)求r的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a5900719c2da83d76bef8c7a0abdf82.png)
您最近一年使用:0次
2024-01-30更新
|
190次组卷
|
3卷引用:浙江省杭州第二中学2023-2024学年高二上学期期末考试数学试题
2024高二上·全国·专题练习
名校
2 . 已知圆
和圆
,则圆
与圆
的公切线有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd3cffcca7f4d0912701679a6ad5b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e87adc8368d75e4364dbfc84e37e8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.1条 | B.2条 | C.3条 | D.4条 |
您最近一年使用:0次
2024-01-28更新
|
312次组卷
|
3卷引用:人教A版高二上学期【期中押题卷01】(测试范围:1.1~3.1)(原卷版)
(已下线)人教A版高二上学期【期中押题卷01】(测试范围:1.1~3.1)(原卷版)山东省济宁市第一中学2024届高三上学期期末数学试题四川省绵阳市江油市太白中学2023-2024学年高二下学期开学考试数学试题
解题方法
3 . 已知圆
:
和圆
:
外离,则整数
的一个取值可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b57d219360be48e1cbbf38a823e8d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75d9ee93cf17184bbc7635b96463761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知圆
,圆
,则
与
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627cdce4971e166ad9a87379e0656c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a7b6f0fad68a72685e43a83b049f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.相离 | B.外切 | C.相交 | D.内切 |
您最近一年使用:0次
名校
5 . 若圆M:
与圆N:
相交,则k的取值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298f4275256011cae83c4b166da3a1a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a4b73047d4839a882720e0e7f719411.png)
A.![]() | B.1 | C.3.8 | D.4.2 |
您最近一年使用:0次
6 . 圆
:
与圆
:
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb024f5918c6484ca8a64f7a45a3bed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f269f3d5e4148989d8897efa29cc60.png)
A.相交 | B.相离 | C.内切 | D.内含 |
您最近一年使用:0次
7 . 设a为正实数,若圆
与圆
相外切,则a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc2cd025b8c048a0174b2855f9cdc93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a143573e9fe53e6a861154bf5b4c27c3.png)
A.4 | B.6 | C.24 | D.26 |
您最近一年使用:0次
2024-01-26更新
|
180次组卷
|
2卷引用:江苏省南京市江宁区2023-2024学年高二上学期期末统考数学试卷
8 . 已知圆
:
及圆
:
.
(1)判断两圆的位置关系;
(2)求出两圆的公共弦长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ccb350fa6b4c85b76c4101eeb92524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669c6ed7c2641177b2bd1c928d265f48.png)
(1)判断两圆的位置关系;
(2)求出两圆的公共弦长.
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9 . 圆
:
与圆
:
的公切线条数为( )
![](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/95c8fd43588e3d6a8098725ead54ff6a.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
10 . 已知圆
和圆
,则圆
和圆
的公切线的条数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba9e8aa95985b14126bce0302657f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a47933a739ba5bc2ad84538b20f4f4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.1 | B.2 | C.3 | D.4 |
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