1 . 已知实数满足
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
您最近一年使用:0次
解题方法
2 . 已知直线
,直线
.
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
,求实数
的值;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43f45ac1819f6d0fbed9319a9ef75a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1cab14246efa1eea2c3dd0a2a628bd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-19更新
|
72次组卷
|
2卷引用:贵州省晴隆县第三中学2023-2024学年高二下学期开学考试数学试题
解题方法
3 . 若直线
被圆
所截得的弦长为
,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9021f0886cadf8d9f6f12d50be1d3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b98dc1ce87e0bd8dd7bfb0a994bdba54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
A.0 | B.4 | C.-2 | D.0或4 |
您最近一年使用:0次
2023-11-16更新
|
551次组卷
|
3卷引用:贵州省黔西南州金成实验学校2023-2024学年高二上学期期中考试数学试题
贵州省黔西南州金成实验学校2023-2024学年高二上学期期中考试数学试题湖南省张家界市2023-2024学年高二上学期期末联考数学试题(已下线)第三篇 努力 “争取”考点 专题7 直线与圆的位置关系【讲】
解题方法
4 . 已知直线
过
,
,且
,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3305ac6ef7117a61b3ed9fffb03030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知直线
与圆
相交于
,
两点,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/399980676af7789fb9a91c7fcdeb90d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa2b46e00b2988f35107b9e378a3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
您最近一年使用:0次
名校
6 . 已知曲线
上任意一点到点
的距离与到点
的距离之比为
.
(1)求曲线
的轨迹方程;
(2)过直线
上一点
向曲线
作切线,切点分别为
,
,圆
过
,
,
三点,证明:圆
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51116e96f4c35d90677e91e0aa914111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a6b90a976a558e8341814dfe3b8bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5357003423a40f0a8347a98c1e7d8bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2023-11-10更新
|
460次组卷
|
2卷引用:贵州省黔西南州兴义市顶兴学校2023-2024学年高二上学期第二次月考数学试题
7 . 若圆
的半径为2,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4833338c9e2f95fa42b154e902a04355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
8 . 已知直线
:
,
:
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b2c480368b42323d6f7626bbf2bd49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17a8f5b9faae1adfcd9298a7f185928.png)
A.![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-11-09更新
|
228次组卷
|
3卷引用:贵州省晴隆县第三中学2023-2024学年高二下学期开学考试数学试题
9 . 直线
与直线
的交点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88a6a43f7d0342e741608047f533386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9450684ca4c5f6ee21f226f5f40abe2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-08更新
|
501次组卷
|
4卷引用:贵州省黔西南州兴义市顶兴学校2023-2024学年高二上学期第二次月考数学试题
名校
解题方法
10 . 以
为圆心,且经过点
的圆的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631386549c0cec5981a1da47b05e5d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af557297d60cbb2714c9c674eea519d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-06更新
|
955次组卷
|
5卷引用:贵州省黔西南州兴义市顶兴学校2023-2024学年高二上学期第二次月考数学试题