解题方法
1 . 已知圆C:
,直线l:
,若l与圆C交于A,B两点,设坐标原点为O,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca01d1c400707e011745ad16199da13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef6d00ddabcb1bb41fae534f5183ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df09bff72dab3e6555a0597b638a3bd0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
56次组卷
|
2卷引用:辽宁省大连市部分学校2024届高三下学期联合模拟考试数学试题
2 . 已知点
在圆
上,点
在直线
上,点
为
中点,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae72a2898746867076a98abe9a92c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce51aae55ad6738d896866f5d7eb5a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14a85d5d71e238da9f4e499faec0f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 下列命题正确的是( )
A.![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.“![]() ![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
4 . 过点
作圆
的切线,A为切点,
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80bdb84ef7474ce126dfcc51641815b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754826457671db8939098215943e656a.png)
A.![]() | B.![]() | C.4 | D.3 |
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解题方法
5 . 过坐标原点O作圆
的两条切线OA,OB,切点分别为A,B,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa83a40377e611d0afdd4235f921838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次
解题方法
6 . 光线从点
射到
轴上,经
轴反射后经过圆
上的点
,则该光线从点A到点
的路线长的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8c934a5b1e5481440d8de919a3771c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0749142e1d5c8f5b3fb8996643559af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.9 | B.10 | C.11 | D.12 |
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名校
解题方法
7 . 已知圆
,过点
的直线l与圆O交于B,C两点,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a41c980db2cc3508b0f03d3b7ab943c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4665cc756635abc74f907e364d2f26e9.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
1427次组卷
|
8卷引用:辽宁省抚顺市六校协作体2024届高三下学期5月模拟考试数学试卷
解题方法
8 . 设直线
被圆
所截弦的中点为M,点
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4be403152a5fe70877e292951c2f364a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0338630beeca9e7fa803f63f6b1ce089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbd97467518d309bffa46df98f3fd4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 由动点
向圆
引两条切线
,切点分别为
,若四边形
为正方形,则动点
的轨迹方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78849358b593fb45a590b01ebe382db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce55d12917b2c9372e6786238df3b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-18更新
|
636次组卷
|
4卷引用:辽宁省辽阳市2023-2024学年高三下学期二模数学试卷
10 . 已知直线
与圆
相交于
两点,
为坐标原点,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87945cb5a0766b4b738ec10b4bf0683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次
2024-04-15更新
|
1266次组卷
|
3卷引用:2024届辽宁省抚顺市六校协作体高三下学期第三次模拟数学试卷