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1 . 点
到直线
的距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf20cf8a2912b42998a7cd163f870d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276e0fc0eb117d9504dcee30c86650c2.png)
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解题方法
2 . 已知双曲线
的两条渐近线均与圆
相切,右焦点和圆心重合,则该双曲线的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce769d55393c86ae6c312de5158e4b3.png)
您最近一年使用:0次
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3 . 若对于一个实常数
,恰有三组实数对
满足关系式
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3098f7c422abe595b765b0fa72e97f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
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4 . 已知圆
:
,点
是直线
上的动点,过
作圆
的两条切线,切点分别为
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d6d0a046281db9a588d76b4fc2199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcf431fad1fd535fc09b3a9895d89d4.png)
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解题方法
5 . 已知圆C经过
,
且圆心在直线
,
(1)圆C的方程是____________
(2)若从点
发出的光线经过直线
,反射后恰好平分圆C的圆周,反射光线所在直线的方程是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d3bfa155ad67018da4d65815c5e5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc4a75b57138a3f1141b53a90fe0659.png)
(1)圆C的方程是
(2)若从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b9a829cf5141dedec06278db0810f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea64be2f53ac4dd6df60189c22f964a3.png)
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6 . 在平面直角坐标系
中,若曲线
与直线
有且只有一个公共点,则实数
的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0ae25786a9ab587e9d5f74bb3c259e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 平面直角坐标系
中,直线
与
交于点
,则点
到直线
距离的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aca3272c91ba9773f1c8342cdfdc432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63aa660686c9d384e3853b367962b4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a673b81ea9711e49274b1461cfd9ad0a.png)
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2023-12-27更新
|
268次组卷
|
2卷引用:广东省江门市新会第一中学2023-2024学年高二上学期期中考试数学试题
名校
8 . 设点
,
在
轴上,
在直线
上,则
的周长的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d658b3385c5aa6be7e66f636648af14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
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9 . 已知直线
被圆
截得的弦长为2,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caaab97b6da171d21356ed8338ead646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32380e5efccb4323c09c22f544ab85b8.png)
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10 . 若直线
与直线
平行,则这两条直线间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee4d732782a0fe5ff50a5c410ff3ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e512cb122109cf9d6913e141f7d6ed.png)
您最近一年使用:0次