1 . 已知直线
(
不同时为0),圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e95a4e689e4acf1cb2b9f863efa856e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab276155617fe201dcc71b5f1b54ab75.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
2 . 已知圆
,
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e4b34bc30e9828ee4e196b67d2e33f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910d15272b0071594bea3ff6cf2ce333.png)
A.若圆![]() ![]() ![]() |
B.若圆![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
3 . 已知圆
,圆
,直线
分别与圆
和圆
切于
两点,则线段
的长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8605717a59e1c4ee42988cd495ed9634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b283ee75ecbdc2ec6ce3bc822805ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2024-04-10更新
|
620次组卷
|
2卷引用:2024年河南省普通高中毕业班高考适应性测试数学试题
名校
4 . 已知N是圆
上的动点,点M满足
,记M的轨迹为E,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd28112db502b0edb609e501fcb650b.png)
A.E是与圆O相切的一条直线 | B.E是半径为5的圆 |
C.E上的点到原点O的距离的最大值为8 | D.E与圆O相切 |
您最近一年使用:0次
解题方法
5 . 已知
,集合
,
,
,
,则下列结论一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bc19253d027dbdf061195528ec25f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c032521c9da603666d8672356189d54f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839ff38bce043d420584d3c0f384c389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ee4bda723d06efae2cef60cdc973eb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知圆
的圆心
在直线
上,且半径为1,点
到直线
的距离为
.
(1)求圆
的方程;
(2)若点
在第二象限,试判断圆
与圆
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1a686b80b8f109a929f58c2de7201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28815614582fdd25d9ca990dacba7b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1b0393042a707c3d0978953a6c4eb4.png)
您最近一年使用:0次
解题方法
7 . 写出圆
:
与圆
:
的一条公切线方程________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579d7b3a6cdcf8aafc7defe020e4aeb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b0f75b4efd9909155c8c262ff40af3.png)
您最近一年使用:0次
8 . 已知两圆
:
,
:
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca2415dee662897b676734cfc768d66.png)
A.点![]() ![]() |
B.圆![]() ![]() |
C.圆![]() ![]() |
D.点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
9 . 圆
与
的位置关系为______ ;与圆
,
都内切的动圆圆心的轨迹方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f137a4a18b73e7286db82588ba2fd975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5093d0fbea77573dd366f6a8361bbc2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2024-02-06更新
|
718次组卷
|
5卷引用:河南省信阳市固始县2023-2024学年高二上学期期末考试数学试卷
10 . 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