1 . 已知直线
:
(
)被圆
:
所截的弦长是圆心
到直线
的距离的2倍,则![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/42d4afb4f4e7406abdc1f378d7b0ec34.png?resizew=29)
_______ .
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/b5c4e84d4cab42a5b9bf4554aea274ec.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/7f02f3a1f5404875830a53049d23e1a6.png?resizew=103)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/cb5f51a21e884be185742108462331b0.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/2904a4766f3b4d9ab24153d5b97d89af.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/13759d25478048c391c3589ebe32f81b.png?resizew=160)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/2904a4766f3b4d9ab24153d5b97d89af.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/b5c4e84d4cab42a5b9bf4554aea274ec.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113678127104/1573113684303872/STEM/42d4afb4f4e7406abdc1f378d7b0ec34.png?resizew=29)
您最近一年使用:0次
2 . 点
分别为圆
:
与圆
:
上的动点,点
在直线
上运动,则
的最小值为_______ .
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/4db5400592c042ac8536a89728170bcd.png?resizew=32)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/4ae03fef6faf4bb8bf81af3390b0b39b.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/3a71ea9c68cc4594a4f5d62712e25e96.png?resizew=105)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/8df232a8a4824be7a6001ba951beb9f1.png?resizew=19)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/521dbd991b7f487598848f3a689e66f6.png?resizew=140)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/11985eaffbe44b7b8110b01eb711bc11.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/93a08fd6f9e14ea9a559d8158a162080.png?resizew=61)
![](https://img.xkw.com/dksih/QBM/2016/11/3/1573113505079296/1573113511264256/STEM/3696a3e2023747da99d5dcb1eaf3bb71.png?resizew=87)
您最近一年使用:0次
3 . 已知集合
,
,则
的元素个数是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfbb05844c273c2d7dab0a32f1c0d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f48f2d24d14315cd94156afb1cc680e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
您最近一年使用:0次
2016-12-04更新
|
211次组卷
|
2卷引用:2017届湖北省重点高中协作校高三联考一数学(理)试卷
名校
4 . 方程
有两个不等实根,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca00e753e039ec1dad051dd3c3fa59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-04更新
|
216次组卷
|
3卷引用:2016-2017学年湖北白水高级中学高二9月月考数学试卷
5 . 圆
被直线
:
截得的劣弧所对的圆心角的大小为
,则直线
倾斜角的大小为______ .
![](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/0e2ffb4f224aaacca33673ccdbd61db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
6 . 过点M(1,2)的直线l将圆(x-2)2+y2=9分成两段弧,其中的劣弧最短时,直线l的方程为________ .
您最近一年使用:0次
7 . 过坐标原点且与圆x2-4x+y2+2=0相切的直线方程为__________ .
您最近一年使用:0次
8 . 已知P
为圆
内一定点,过点P且被圆所截得的弦最短的直线
方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd89a03660c85fb78bd7fe82ee3068c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
9 . 若圆C:
与y轴交于A、B两点,且
,则实数m的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8710c4c8dc7f964d1caabc778970ffc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
您最近一年使用:0次
2016-12-04更新
|
1088次组卷
|
6卷引用:湖北省长阳县第一高级中学2017-2018学年高二9月月考数学(理)试题
10 . 已知圆
,及
,
:
①
是
轴上动点,当
最大时,
点坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8906c22fd7232802bdab839113aa23dd.png)
②过
任作一条直线,与圆
交于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf2c67f254e8bbb59223efd72481b06.png)
③过
任作一条直线,与圆
交于
,则
成立
④任作一条直线与圆
交于
,则仍有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308c1121663f048e6af1d74f367a8460.png)
上述说法正确的是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ede0201cae9ee1992bc24b47536169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/863151d63c9d64fa3adf35262b3d1243.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8906c22fd7232802bdab839113aa23dd.png)
②过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf2c67f254e8bbb59223efd72481b06.png)
③过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308c1121663f048e6af1d74f367a8460.png)
④任作一条直线与圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308c1121663f048e6af1d74f367a8460.png)
上述说法正确的是
![](https://img.xkw.com/dksih/QBM/2015/11/27/1572322712674304/1572322718253056/STEM/547819bf791e45da96cef8a23b156c9b.png?resizew=125)
您最近一年使用:0次
2016-12-03更新
|
358次组卷
|
3卷引用:2015-2016学年湖北省襄阳五中高二3月月考文科数学试卷