名校
1 . 若圆
被直线
平分,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6220311094b9567d26838ce63752e259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b2133a161a6d656c2e80b9fbb35f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() | B.1 | C.![]() | D.2 |
您最近一年使用:0次
2 . 已知在等腰直角三角形
中,
,点
在以
为圆心、2为半径的圆上,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7e49be1f66093e6f73b003d7b686b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf11eebf3d42fa0a2e49227a3e1d674.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-09更新
|
761次组卷
|
2卷引用:河南省信阳市新县高级中学2024届高三考前第一次适应性考试数学试题
3 . 已知点
,圆
.若第一象限内的点
满足
与圆
分别相切于
两点,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74ca3715a4fa36cb21b4bbba6d14c5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51015415e10886f2e3588efda4ffdb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab34ce6cee0673ab0d37b660d57bc07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
A.![]() | B.2 | C.1 | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知点 M在曲线
上,过M作圆
的切线,切点分别为A,B,则四边形MACB的面积的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223cf57be5499bab6d7bf063f1ef1dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9428eb20ebf093a6e36bd29da678d8a.png)
A.![]() | B.![]() | C.3 | D.9 |
您最近一年使用:0次
名校
5 . 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
名校
6 . 已知圆
和两点
为圆
所在平面内的动点,记以
为直径的圆为圆
,以
为直径的圆为圆
,则下列说法一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51c2a5f44e72ae2911b2039fd4e8d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.若圆![]() ![]() ![]() ![]() |
B.若圆![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024-04-08更新
|
413次组卷
|
3卷引用:河南省信阳市新县高级中学2024届高三数学考前仿真冲刺卷
7 . 已知直线
与
轴和
轴分别交于
,
两点,且
,动点
满足
,则当
,
变化时,点
到点
的距离的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b1c78d909cf94234a6c2a8fe28c057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45224f7eac9d0cef64bf28d93e7721a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b5a49b8191e84cc70e5eb8c7dd626b1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-08更新
|
463次组卷
|
3卷引用:河南省部分重点中学2024届高三下学期三月质量检测联考数学试题
名校
8 . 已知点
是圆
上的两点,若
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f788fb0059b7356dc6c7811f46057e66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3109dd281bf47a57bbfe18d9297ee2.png)
A.16 | B.12 | C.8 | D.4 |
您最近一年使用:0次
2024-04-06更新
|
571次组卷
|
2卷引用:河南省信阳市新县高级中学2024届高三适应性考试(九)数学试题
9 . 直线
:
与
:
交于点P,圆C:
上有两动点A,B,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69efa05c9d7e9d7e8a435644b774744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f246d8cf62eacc904f01c0502558c43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ab7ba0f4a1a78971163146eaa2ec5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529b4836786aca156de325464ea2ecd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3cc88a956e5e4805a1ebaf7a0e91ce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-31更新
|
674次组卷
|
2卷引用:河南省济洛平许2024届高三第三次质量检测数学试题
名校
10 . 椭圆
的离心率为e,右焦点为
,方程
的两个实根分别为
和
,则点
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb2d6c85141c595c22ebd713b42086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbc1bb435ab4a72a18fb2d919565f8a.png)
A.必在圆![]() | B.必在圆![]() |
C.必在圆![]() | D.与圆![]() |
您最近一年使用:0次
2024-03-27更新
|
438次组卷
|
3卷引用:河南省信阳市新县高级中学2024届高三4月适应性考试数学试题