名校
1 . 若椭圆
上的点到直线
的最短距离是
,则
最小值为
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618ba17b93e4e22a96ab207ca9c426a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/2024/1/17/3413231833997312/3413249789411328/STEM/79139c04a9534e0a91d2fdff4d2b9ecb.png?resizew=4)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 已知
,过点
的直线
与线段
不相交,则直线
斜率
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc0b24e806b5bfd5c71f83451f83cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc03af70a9f6f2509d2355cfadd0a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-27更新
|
531次组卷
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3卷引用:重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题
名校
3 . 如图,四边形
的四个顶点的坐标为
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/92fa358c-3f96-4943-8b54-9e1bd1f7e207.png?resizew=177)
(1)求线段
的中垂线的方程;
(2)设过点
的直线与四边形
的外接圆交于
,
两点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2375a27ead9549550676d4e6a2b47243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f605a7fc2f1064fe14882ee426839db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e71cc0231c4b6393a3a94c27782fb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae79aa5fe83e708cb832b6893a15c52.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/92fa358c-3f96-4943-8b54-9e1bd1f7e207.png?resizew=177)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024aad9750f73ef0a6944584711bb255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/3aa7d8f9f80c73e19bbc67901898b5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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4 . 已知圆
,过直线
上一动点P作圆C的两条切线,切点分别为A,B,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6bb6734e5f1d65e276e6007e3693c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d54768ddff965fb42fd598a145e5e0b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd79ea6078a73c1e7ec4769e5546abec.png)
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2024-01-22更新
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760次组卷
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2卷引用:重庆市沙坪坝区重庆一中2024届高三上学期12月月考数学试题
名校
5 . 已知圆
,直线
为
上的动点,过点
作圆
的切线,切点为
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb95724e46951b22aefbbff99876109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b0f09210a526e4f2c7fc3d241c1dd7.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
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2024-01-21更新
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6 . 已知过点
的直线
与圆
相切,则直线l的方程为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbaf922513ca602dfb3bc2bd0706399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5fa0ceb1ec6fafe6b39a3fe26059293.png)
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7 . 已知点
,直线
与
轴相交于点
,则△
中
边上的高
所在直线的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7070c9876a5a0f8fea26ccd10cf1ab0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091c83390d0755e1b72755cf37490351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-17更新
|
716次组卷
|
4卷引用:重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题
重庆市黔江中学校2023-2024学年高二上学期10月考试数学试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(一)(已下线)艺体生一轮复习 第八章 解析几何 第37讲 直线的方程【练】(已下线)热点7-1 直线与圆综合(10题型+满分技巧+限时检测)
名校
解题方法
8 . (1)若直线
与直线
平行,求
的值;
(2)若直线
与直线
垂直,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1802c044206288957783bd010addebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7831789b24381f7505af389650b5e0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e571e39ab1a34b94e15501a4eb6a2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63262f6679d09616d89f0b4e7e4a9145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
9 . (1)已知斜率为负的直线
过点
,且与两坐标轴围成的面积是54,求直线
的方程;
(2)在
中,已知
边上的中线所在直线的方程依次是
与
,求
所在直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577f34450607debe6186e7e1c523e43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995079b25ea0714624bf6cf9d645f92a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解题方法
10 . 已知直线
,
,一条光线从点
射出,经
反射后,射到
上,再经
反射后,回到
,则该光线经过的路程长度为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4f7744e04704e5363bd5d068635480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f699719b93e5780f30ba31ef94a1309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2024-01-11更新
|
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3卷引用:重庆市部分学校(九校联盟)2023-2024学年高二上学期12月月考数学试题