2024·全国·模拟预测
名校
1 . 已知圆
关于直线
对称,过点
作圆
的两条切线,切点分别为
,
,则圆心
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d42def67eb26b7cd0e057173242aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc523f751a40a21dece5645b15af9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d8cc13666ef5e288a3c98e2fc56aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2 . 已知点
是直线
上一动点,
是以点
为圆心的圆
的两条切线,
是切点,若四边形
的最小面积是2,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c5d419ae423a5c6787495aab684e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299b9274e61eafb5bb2d07f8d5a70bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283b0cef5d644b8dceb910ce2c76f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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3 . 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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4 . 已知O为坐标原点,点P在标准单位圆上,过点P作圆C:
的切线,切点为Q,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340e9eac0866ece3535f098929d2be4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
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2023-12-22更新
|
762次组卷
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4卷引用:北京市第五十七中学2023届高三上学期12月月考数学试题
北京市第五十七中学2023届高三上学期12月月考数学试题湖南省长沙市雅礼中学2024届高三上学期月考数学试题(四)(已下线)专题17 圆锥曲线常考压轴小题全归类(16大题型)(练习)(已下线)重难点7-1 圆的最值与范围问题(8题型+满分技巧+限时检测)
名校
5 . 已知直线
是圆
的对称轴,过点
作圆
的一条切线,切点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c84a09595eabd6ae21a2e8faa7465c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaea60e93342e9c54914d894858fd7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e6a95d85a6bfc628a8e63dd71ffcd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d02aa702406987fbeb90f0ab7ea1f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c84a09595eabd6ae21a2e8faa7465c.png)
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2023-12-19更新
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531次组卷
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4卷引用:贵州省2023-2024学年高二上学期12月月考数学试题
贵州省2023-2024学年高二上学期12月月考数学试题(已下线)专题02 直线与圆的综合应用问题(九大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)江西省景德镇市景德镇一中2024届高三上学期1月考试数学试题辽宁省辽阳市2024届高三上学期期末数学试题
2023高二上·全国·专题练习
6 . 直线l:
,点P为直线l上的动点,过点P作⊙M:
的切线
,切点为
,则切线段
长的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb343cfed5f78a4a24f750415abef43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc402596519b2218ce62bfee521e2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d063ec7f9dbeba72fabf4437f9400e07.png)
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7 . 已知圆
,圆
,过
轴上一点
分别作两圆的切线,切点分别是
,
,则
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d961491454fbfdb20038f4eb595e3f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e1a8c49b0ff6d6f33d37c326d5eec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
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2023-12-16更新
|
360次组卷
|
2卷引用:安徽省六安市第一中学2024届高三上学期12月月考数学试题
8 . 已知圆
,点
为
轴上一个动点,过点
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/7acabf6da9d0b34244fa7e96e3cf3bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2023·全国·模拟预测
9 . 设点P是圆
上的动点,过点P作圆
的两条切线,切点分别为A,B,则四边形PACB面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d3d5384c1516ec3940febd26ed6de6.png)
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名校
10 . 抛物线
上有一动点
,过
作曲线
的切线,其中一个切点为
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0261104a7c308433a0c0508ff20ea29a.png)
![](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/48b9a9a9962efa3f70582ace8588b5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d063ec7f9dbeba72fabf4437f9400e07.png)
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2023-11-23更新
|
246次组卷
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3卷引用:河南省太康县第一高级中学等校2023-2024学年高二上学期期中学业质量监测考试数学试题