题型:多选题
难度:0.65
引用次数:1981
题号:12327076
已知圆
,直线
,(
).则下列四个命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3caa1d74c39c48cbfb51c2da3f0d7da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
A.直线![]() ![]() |
B.当![]() ![]() ![]() |
C.圆![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
更新时间:2021-02-15 21:58:02
|
相似题推荐
【推荐1】已知直线
与圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe11be1f54335446d71f2747bc5a456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662ce0ef96a6ef35141235f9291bd775.png)
A.直线![]() | B.当![]() ![]() ![]() ![]() |
C.直线![]() ![]() | D.直线![]() ![]() |
您最近一年使用:0次
【推荐2】已知圆
直线
则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1982f6872c1e154175013512ba26ebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7cbba3bb275992dabfdadecdf12304.png)
A.圆![]() ![]() |
B.直线![]() ![]() |
C.直线![]() ![]() ![]() |
D.圆![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐1】已知圆
,点
是直线
上一动点,过点
作圆的切线
,
,切点分别是
和
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a10d715d1bb7ff3df392f8c43c5928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac27984896c556ce6060e691eb708d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.圆![]() ![]() ![]() | B.切线![]() ![]() |
C.四边形![]() | D.直线![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知圆
:
,过直线
:
上一点
作圆
的两条切线,切点分别为
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317991431a4225dcf60131e3cf186b96.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.若点![]() ![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() |
D.以线段![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
【推荐1】已知曲线
的方程为
,圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8956d4c88b5f2b8457fa77d42c49a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aef4c258122962a18103252e675cfdf.png)
A.![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐2】阿波罗尼斯
古希腊数学家,约公元前
年
的著作
圆锥曲线论
是古代世界光辉的科学成果,它将圆锥曲线的性质网罗殆尽,几乎使后人没有插足的余地.他证明过这样一个命题:平面内与两定点距离的比为常数
且
的点的轨迹是圆,后人将这个圆称为阿波罗尼斯圆.现有圆C:
和点
,若圆C上存在点P,使
其中O为坐标原点
,则t的取值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a920f6a735734c54b41e188ceb969c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b0e787c1d82071c825975348698f58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461950348087cdb06ec28d7569d14c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbf56f44f995858afc4f6ae1306bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15bb8775b827a649b07b6c2f8c3ea284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb077373c470866ffd54857fe7e747ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffc3d20dedf819e5fa002ffbd7b4e4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2532a0069ba3716431e602b7441631c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次