名校
解题方法
1 . 已知
的三个顶点分别为
.
(1)求
的面积;
(2)求
的外接圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0de0ae18715f97f0244932abedbbb76.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
2 . 已知两条平行直线
,
,直线
,直线
,直线
,
之间的距离为1,则
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532f251a9a9617070ff5e2dfaf4ec9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7801d29b0db0a6d87f57bf25a77357f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.12 | D.14 |
您最近一年使用:0次
2024-06-05更新
|
117次组卷
|
3卷引用:安徽省太和中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
3 . 设圆
的圆心为C,直线
过
,且与圆C交于A,B两点,若
,则
直线方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4565fb8899bdcd731ae6cc7157fd52c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed18bd80c6c4142f68e89f4ad44570b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
4 . 已知
,
两点到直线
的距离相等,求a的值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a676dd3ac81278b7f232863be2968b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b714488457abc1d9d6bfda35dfea4f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283370824c087d15feb099be6bc475e6.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
5 . 已知
是圆
与圆
的公共点,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94165c5047e68e952df7a8dc6dc32fda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd767240a603ca0c0db5567707eb704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3e9808f373c303a79dd828dc1de613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
A.3 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 原点到直线
间的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a6a83badf710ff815e79037d6ce7fb.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
7 . 已知实数x,y满足
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c62a5bc2ddd8b57ed3ab0e3adc507d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8613e918365b5b9773c99b5cafb088aa.png)
您最近一年使用:0次
8 . 在平面直角坐标系
内,O为坐标原点,对于任意两点
,定义它们之间的“曼哈顿距离”为
,以对于平面上任意一点P,若
,则动点P的轨迹长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56998322ea32b68685df4fef7b46912e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed144a854178707c98cc51cdfaae852.png)
您最近一年使用:0次
2024-02-23更新
|
195次组卷
|
2卷引用:安徽省合肥市第九中学2023-2024学年高二上学期第二次单元检测数学试题
9 . 已知圆
过点
,且圆心
在直线
上.
(1)求圆
的方程;
(2)若从点
发出的光线经过
轴反射,反射光线
恰好平分圆
的圆周,求反射光线
的一般方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d801297de80b335b19999b692f65de83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8a82a007d596239d4778c7d540e7d4.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2a5c155717f3a59d7818b4bbdf44e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
您最近一年使用:0次
名校
10 . 已知直线
与直线
,则这两条平行直线之间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b608ae33d374f27a639c38537ae4e1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc9a0509599d31a7c9d858a63659534.png)
您最近一年使用:0次