1 . 不论
取何值,直线
恒过一定点,该定点坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaefc8d34518b21a2040cb3e8e7b8970.png)
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2 . 已知直线
及直线
截圆
所得的弦长均为8,则圆
的半径是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639fa60a2113c17988242865e699a755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373623cbddedc5fc80cac3f19d49e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3 . 已知平面上一点
,若直线上存在点
使
,则称该直线为“切割型直线”,下列直线中是“切割型直线”的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cd5d4e230d2d5ac2d1a534f23dc33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae817597d18263d16da116fdeb5abe7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知圆
,直线
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1556e0680a1d99bffa78aee672e5d61.png)
A.直线![]() ![]() ![]() |
B.直线![]() ![]() ![]() ![]() |
C.圆心![]() ![]() |
D.直线![]() ![]() ![]() |
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解题方法
5 . 已知圆
:
.
(1)若圆
的切线在
轴和
轴上的截距相等,求此切线方程;
(2)从圆外一点
向该圆引一条切线,切点是
,若
(
是原点),求
的最小值及对应的
点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee997ddfd3baf367cf7486f3d06eab6d.png)
(1)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)从圆外一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e0cac807d10c3dc2f00f29d1687f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
6 . 若
的图象与直线
有两个不同的交点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78718851023a6610bd0dea18be6c27fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3592e82fe6fb4d4339175f19706d2db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
7 . 若点P是曲线
上任一点,则点P到直线
的最小距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dab884802016b29f54c0e1c9efe43a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c6d3c99b7004603ba9ea9c341b8b3f.png)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知直线
,求满足下列条件的直线的方程.
(1)与直线
关于
轴对称;
(2)过点
,且与
平行.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45519c1cce74be06c32c2355ac797f85.png)
(1)与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0481d24e2af1e0cd348732b9444d1dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-08-13更新
|
238次组卷
|
3卷引用:安徽省泗县第二中学2023-2024学年高二上学期第一次月考数学试题
名校
解题方法
9 . 与直线
关于
轴对称的直线的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知直线
与直线
平行,则它们之间的距离是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691dc66cc2c33cfae60b4f5ae03d3b1d.png)
您最近一年使用:0次