已知
,点P在直线
上,点Q在圆C:
上,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32c935806559b1a913a7edb3c804999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6895499a4a716e443c74f87d5e080f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853e63795640d30a3ed1c18b172eb719.png)
21-22高二上·安徽滁州·期中 查看更多[3]
更新时间:2022-03-30 16:50:06
|
相似题推荐
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】给出下列命题:
(1)若函数
在
上是减函数,则
;
(2)直线
与线段
相交,其中
,
,则
的取值范围是
;
(3)点
关于直线
的对称点为
,则
的坐标为
;
(4)直线
与抛物线
交于
,
两点,则以
为直径的圆恰好与直线
相切.
其中正确的命题有__________ .(把所有正确的命题的序号都填上)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d55c71f66984d06846dfc9794671973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d1eec645764636c0e23b05e8f93234.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d50586ff0822c7d00945bc38d67c40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d69f777281a6319434ccb7e845cc354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4e703f37a1d6516e6516a7e36f06f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d43eb5d13c51115c0ca3087bb0b50a9.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c454d7cebb5355b61d71cafb47afd72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04eed461026f69fe9ab2c5dc12af8ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/461a7df65c0cc0442bba8de81c7b2362.png)
(4)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
其中正确的命题有
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知直线
:
与直线
:
相交于点
,点
是圆
上的动点,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d3909237fdc582078abb592c26fdcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f13b9ff269e472025998b635d60a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520db95f5a5d5b29ba074665f0bb7b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】已知直线
与圆
:
交于A,B两点,则
的面积的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ed842125ac5ce4da99d501ed62887d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1429ad01c3888342ab5ca9c583e6e0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】已知圆
,当圆的面积最小时,直线
被圆截得的弦长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef3a48f5dc473b9d68542930ed0335f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】过圆
与
的交点,且圆心在直线
上的圆的方程是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c82a1fed135888e1c072bc5078fc8a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7312c19269a2073277bd07b9b2f4912c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ead92142e3820f6cc6d14b128b24bfc.png)
您最近一年使用:0次