1 . 已知直线
,圆
,下列说法错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e66d661394a74301296312680c1e62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01268ac8e838d0f45ccb35bc1d479d0.png)
A.对任意实数![]() ![]() ![]() |
B.当且仅当![]() ![]() ![]() ![]() |
C.对任意实数![]() ![]() ![]() |
D.存在实数![]() ![]() ![]() |
您最近一年使用:0次
名校
2 . “
”是“过点
有两条直线与圆
相切”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c9ac405301d3c27523ee19ba415315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08892c040ee46f86295892c35a20995.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-06-03更新
|
1355次组卷
|
2卷引用:江苏省南京市2024届高三第二次模拟考试数学试题
3 . 已知圆
,圆
,点
是圆
上一点,当
的面积最大时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f7f7f8a4ca4214d568f6d47828f01ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29eaf0ed8d20d6cac5d614570a5e8267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac832e27ca44c0bf62569ab6ff39644b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 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
|
436次组卷
|
3卷引用:广西柳州市2024届高三第三次模拟考试数学试题
名校
5 . 已知
是圆
上的动点,点
满足
,点
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa8fda1a0fc110dad6702ece65938b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e9f93b4a4a99c3671b3bbad56a8e65.png)
A.8 | B.9 | C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知圆
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42103f88b80e7ef8bb12c7b839990a5f.png)
A.点![]() | B.直线![]() ![]() |
C.圆![]() ![]() | D.直线![]() ![]() |
您最近一年使用:0次
2024-03-10更新
|
845次组卷
|
6卷引用:河南省TOP二十名校2024届高三下学期质检一数学试题
名校
解题方法
7 . 已知圆
,弦
过定点
,则弦长
不可能的取值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.4 | D.![]() |
您最近一年使用:0次
2024-02-29更新
|
528次组卷
|
2卷引用:广东省广州市执信中学2024届高三下学期教学情况检测(一)数学试题
解题方法
8 . 若以连续掷两次骰子分别得到的点数m,n作为点P的横、纵坐标,则点P在圆
内的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331a133d2fff3d6e402f25143167fba9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
在
上的最大值与最小值分别为
和
,则经过函数
的图象的对称中心的直线被圆
截得的最短弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26ff74ad8ae6c6a26d7657143a48386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba46a13bbd9f2be2e14312ea1fbbbae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d35465f3e40ce00a1dce54b943ae183.png)
A.10 | B.5 | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
关于直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
对称,
与
交于
,
两点,设坐标原点为
,则
的最大值等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2c12200bb50f89ef517ec5d1cf0f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb69ac334279256f2b50d69bc246155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a99d2c4a23825f62aadcc40822b5eb.png)
A.2 | B.4 | C.8 | D.16 |
您最近一年使用:0次