名校
1 . 已知圆
,点
是圆
上的一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccdfd6d3e21084121ea5cd11b6b26e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() |
B.已知![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-06-13更新
|
84次组卷
|
2卷引用:安徽省六安第一中学2024届高三下学期质量检测(三 )数学试卷
名校
2 . 已知圆
,直线
是直线
上的动点,过点
作圆
的切线
,切点为
,则当切线长
取最小值时,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0887c01e30bed3f4d782b38bfd789dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b633223c4732ab20661a8850e50634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/272ba94bfb6c8d71049db4b8e07d331a.png)
A.![]() | B.点![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-04-13更新
|
337次组卷
|
2卷引用:2024届山西省平遥县第二中学校高三冲刺调研押题卷数学(三)
名校
解题方法
3 . 已知圆O:
和圆C:
.现给出如下结论,其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7acd2faeb5513785c3169d6b29dd1d.png)
A.圆O与圆C有四条公切线 |
B.过C且与圆O相切的直线方程为![]() |
C.过C且在两坐标轴上截距相等的直线方程为![]() ![]() |
D.P、Q分别为圆O和圆C上的动点,则![]() ![]() |
您最近一年使用:0次
4 . 已知圆
,圆
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/021b808a21cb6be07be8b83777eabba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d645681e7f93173c815b1cfabdf883c.png)
A.若点![]() ![]() ![]() |
B.若圆![]() ![]() ![]() |
C.圆![]() ![]() |
D.过点![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
5 . 已知点
是圆
上的动点,则下面说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93e12b8b1c6c7ec759748229f2c475a.png)
A.圆的半径为2 | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知圆
,点
为直线
上一动点,过
点向圆
引两条切线
和
,其中
,
为切点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f6ef25fb9949607b3e25fb1b8fa426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() |
D.原点![]() ![]() |
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7 . 古希腊著名数学家阿波罗尼斯发现了平面内到两个定点
的距离之比为定值
的点的轨迹是圆,此圆被称为“阿波罗尼斯圆”.在平面直角坐标系
中,已知
,点
满足
,设点
的轨迹为圆
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a08f5d6f91366da27e9b96452bb04977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47be7ec43ae6cf4e4c25afa1a4fd1026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420d464c96149bd9cb5c7b1b3548133c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.圆![]() ![]() |
B.![]() ![]() |
C.过点A作直线![]() ![]() ![]() ![]() |
D.过点A向圆![]() ![]() |
您最近一年使用:0次
2024高三上·全国·专题练习
8 . (多选)在平面直角坐标系中,
,
,
,动点P满足
.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc03af70a9f6f2509d2355cfadd0a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e06e23b4701e19c62dada4fa9566768.png)
A.点P的轨迹方程为![]() |
B.![]() |
C.过点C与点P的轨迹相切的直线只有1条 |
D.设![]() ![]() ![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
9 . 在平面直角坐标系xOy中,已知圆
,点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb2033fe52f60ae59b4eb37629843e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
A.线段AC的垂直平分线的方程为![]() |
B.过点![]() ![]() ![]() |
C.以AC为直径的圆![]() ![]() ![]() |
D.满足![]() ![]() ![]() |
您最近一年使用:0次
23-24高二上·江苏·单元测试
10 . 下列说法正确的是( )
A.直线![]() ![]() |
B.直线![]() ![]() ![]() |
C.若圆![]() ![]() ![]() ![]() ![]() |
D.若已知圆C:![]() ![]() ![]() |
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