名校
1 . 已知圆
,直线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b2244ab18c54b0987c56bfa579e9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3be84efef3f72e863bc719738b9fadc.png)
A.直线 ![]() ![]() |
B.当![]() ![]() ![]() |
C.直线![]() ![]() |
D.若圆![]() ![]() ![]() |
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2024·江苏连云港·模拟预测
名校
解题方法
2 . 设a,b为实数,已知圆O:
,点
在圆O外,以线段
为直径作圆M,与圆O相交于A,B两点.下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8544f8483269db90305fa747eeac8b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.若圆O上总存在两个点到点Q的距离为1,则![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知圆
,圆
,动圆
与圆
外切于点
,与圆
内切于点
,圆心
的轨迹记为曲线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f09301f91879129399c1ba45635f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3e7ea39906456429384362b6d037ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.曲线![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 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
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解题方法
5 . 已知圆
,圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152cbc38a78750a4949c3f59943777f7.png)
A.两圆的圆心距![]() |
B.若圆![]() ![]() ![]() |
C.若圆![]() ![]() ![]() |
D.若圆![]() ![]() |
您最近一年使用:0次
2024-04-26更新
|
1809次组卷
|
6卷引用:安徽省合肥市2024届高三第二次教学质量检测数学试卷
名校
6 . 法国数学家蒙日在研究圆锥曲线时发现:椭圆
的任意两条互相垂直的切线的交点
的轨迹是以原点为圆心,
为半径的圆,这个圆称为蒙日圆.若矩形
的四边均与椭圆
相切,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da001dad7941e6c9858637d7b62cec59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb27e0da15121c20426db4f348b97470.png)
A.椭圆![]() ![]() |
B.过直线![]() ![]() ![]() ![]() ![]() ![]() |
C.若圆![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
7 . 已知圆
,圆
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff1cc59295f702ce35d65c22a7e27e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a5e2fb60d7cab8efc1ed28f05dae28.png)
A.直线![]() ![]() |
B.圆![]() ![]() |
C.若P,Q分别是圆![]() ![]() ![]() |
D.经过点![]() ![]() ![]() |
您最近一年使用:0次
2024-04-22更新
|
1090次组卷
|
2卷引用:河北省沧州市沧县中学2024届高三下学期3月高考模拟测试数学试题
名校
解题方法
8 . 已知圆
,抛物线
的焦点为
,
为
上一点( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba59aec3e9c4668120db544d063c7cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01497894422204f9e205d832e21aa29b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
A.存在点![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若以![]() ![]() ![]() |
您最近一年使用:0次
2024-04-08更新
|
990次组卷
|
2卷引用:山东省临沂市2024届高三下学期一模考试数学试题
解题方法
9 . 下列结论正确的是( )
A.过点![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.已知直线![]() ![]() ![]() ![]() |
D.若圆M:![]() ![]() ![]() |
您最近一年使用:0次
10 . 已知圆
,圆
分别是圆
与圆
上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35679375f94a66455893fab227bff633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.若圆![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次