1 . 已知圆
与圆
.
(1)求证:两圆相交;
(2)求两圆公共弦所在的直线方程;
(3)在平面上找一点
,过
点引两圆的切线并使它们的长都等于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b86fba2d56e1273745a3cdae66cdf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46a1395c84a74b441a2bdafea4731d4.png)
(1)求证:两圆相交;
(2)求两圆公共弦所在的直线方程;
(3)在平面上找一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
您最近一年使用:0次
2 . 已知圆
,圆
.
(Ⅰ)试判断圆
与圆
的位置关系;
(Ⅱ)在直线
上是否存在不同于
的一点
,使得对于圆
上任意一点
都有
为同一常数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2648f2824f2c8073a9f240271963663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46b02686d8d331d07901bdc0bf79fc9.png)
(Ⅰ)试判断圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
(Ⅱ)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baea4fd7a86d2325b4e256f42b7e1551.png)
您最近一年使用:0次
2018-07-05更新
|
950次组卷
|
3卷引用:人教B版(2019) 选择性必修第一册 过关斩将 第二章 平面解析几何 2.3 圆及其方程 2.3.4 圆与圆的位置关系
3 . 判断下列两圆的位置关系.
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
..
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbe5b71fad39a68634d1862c21a9cdb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2650408a96244388971ee193a39b1212.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c676f22fb93ccd3b9926c696ba516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3544967032ab50cc8b93b0964960b6b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f23cd01b5b882e3b25e1ea109abb130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d5fb5f9b0b82c6530aaa8929b141d.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9966b404a1c079ac12378d897f0af966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1083e84b82d9707a58019c4a1863ec2.png)
您最近一年使用:0次
4 . 在平面直角坐标系
中,已知半径为
的圆
,圆心在
轴正半轴上,且与直线
相切.
(1)求圆
的方程;
(2)在圆
上,是否存在点
,满足
,其中,点
的坐标是
.若存在,指出有几个这样的点;若不存在,请说明理由;
(3)若在圆
上存在点
,使得直线
与圆
相交不同两点
,求
的取值范围.并求出使得
的面积最大的点
的坐标及对应的
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](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/276e0fc0eb117d9504dcee30c86650c2.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)在圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2016/9/28/1573046561349632/1573046567714816/STEM/efeeccf759ff4b07b8133e442bade957.png?resizew=16)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1979caa27e7f03134e546d89786746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4399cbc1dea7a84070758f40336eed1c.png)
(3)若在圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e0db273061d0331e4e5da9ff1e955e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0c0fa62a09c0532bafe39a7c935ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
您最近一年使用:0次
2016-12-04更新
|
1049次组卷
|
3卷引用:安徽省滁州市民办重点中学2019-2020年高二上学期第一次联考数学(理)试题