名校
解题方法
1 . 已知直线
.
(1)求证:直线
过定点;
(2)若直线
不经过第二象限,求实数
的取值范围;
(3)若直线
与两坐标轴的正半轴围成的三角形面积最小,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831124bef5f0e58bd6828a5a1e4f8d7c.png)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
2 . 已知圆
,直线
.则下列命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1cd21b824fcf58c75911fb165306d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b1adc9139ee91fef90f5ab70caf022.png)
A.直线![]() ![]() |
B.圆![]() ![]() ![]() |
C.直线![]() ![]() |
D.直线![]() ![]() ![]() ![]() |
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3 . 已知圆
,直线
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc5202904b6f3a73ba339276b4b286c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ec4707e3c857459293957372a53f3.png)
A.若圆![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若过直线![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
4 . 若直线
不过第二象限,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe80428f8f0694895c765ab82461b174.png)
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5 . 下列说法正确的是______ .
①直线
恒过定点
;
②直线
在y轴上的截距为1;
③直线
的倾斜角为150°;
④已知直线l过点
,且在x,y轴上截距相等,则直线l的方程为
.
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc8c988efbc7ee37c500217a56ae9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9c6ac9f9e6f9919accfdfcf0074294.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a93fb9bfc0c7f0149f41ae9cdf589a2.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1d69d7976b9ee5c6c1ebe7756e5a02.png)
④已知直线l过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497911bc462170183e81d95bd509b70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94fcf57347aec685a8fca271aba14eb.png)
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6 . 如图,已知
,
,
,直线
:
.
经过的定点坐标;
(2)若
,李老师站在点
用激光笔照出一束光线,依次由
(反射点为
)、
(反射点为
)反射后,光斑落在
点,求入射光线
的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4129002afa832f2c53551fb03c3f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10abb46a7adcf9adbdd287ee65212fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fecb55e2cb004445fbf874c96c7d2663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02709f0e72ee311a0e56de134b6a36bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3655b33906314ff424bde76b56da7a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65bb1c5af4c7a9376882867e07690b18.png)
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7 . (1)已知直线
被圆
截得的弦长为
,则ab的最大值为______ .
(2)在平面直角坐标系xOy中,以点
为圆心且与直线
相切的所有圆中,半径最大的圆的标准方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a39b30c84194d66f75360043ec430c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90653f76d5a57f2ae825d97feb40ef84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
(2)在平面直角坐标系xOy中,以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27242351980f3f57d27fe679a3f58153.png)
您最近一年使用:0次
8 . 已知直线l:
,则下列说法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d23282b0af722dcf1af73b35a0daa696.png)
A.直线l恒过点![]() |
B.若直线l与y轴的夹角为30°,则![]() ![]() |
C.直线l的斜率可以等于0 |
D.若直线l在两坐标轴上的截距相等,则![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知
,直线
与
的交点
在圆
:
上,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c315f1b956827fa56c9edb912c51214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099894b25bc69741c7c5a0e443b3ac7f.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/60c1c1d3859045e855867090ca66a19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知直线
与圆
相交于
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3683fd5cbf7b7bdef462a3d38ce4eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be2c91c4ace79b6d3ce4e86681f2b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.若圆![]() ![]() ![]() |
B.![]() ![]() |
C.当![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-07-11更新
|
505次组卷
|
3卷引用:福建省泉州第五中学2024届高三高考热身测试数学试题