名校
1 . 已知圆
,过直线
上一点
向圆
作两切线,切点为
、
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c87531c3e3346663fe16c8eff34956.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.直线![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.满足![]() ![]() |
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5卷引用:福建省泉州市2023-2024学年高二上学期期末适应性练习数学试题
2 . 已知,点
在直线l上,圆
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c09b41032e4722c412c2e2427500a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232eaafb9e3547ec8cb34453ea2ad34f.png)
A.若圆C关于直线l对称,则直线l的方程为![]() |
B.若点P是圆C上任意一点,则![]() ![]() |
C.若直线l与圆C相切于点B,则![]() |
D.若直线l与圆C相切,则直线l的方程为![]() |
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2卷引用:安徽省江淮名校2023-2024学年高二上学期12月阶段性联考数学试题
3 . 已知圆
,点
在抛物线
上运动,过点
作圆
的切线,切点分别为
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096c252be3fddf7763db5761150d8eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacd5863418cc7855ad66af8ddedf223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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2卷引用:甘肃省白银市靖远县第二中学2023-2024学年高二上学期期末模拟数学试题
4 . 过点
作圆
(
为参数,且
)的两条切线分别切圆
于点
,
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4d8171374a7134e3d25b91fc4b198a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395ae88d64693e119da73abe23109bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d08f0ab6e573253450e03427e13db1.png)
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名校
解题方法
5 . 圆
与圆
的公共弦长为
,则过点
且与圆
相切的直线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ba054180db44515dcf40486bc4736b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd171adf1669e6d6a9f53530299ffef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081cd41dab0f2a8f84b0e9f1df4843fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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6 . 已知圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f676354f64e02476b1fcdbfc9b9006.png)
(1)若圆
的切线在
轴和
轴上截距相等,求切线的方程;
(2)从圆
外一点
向圆引切线
,
为切点,
为坐标原点,且
,求
的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f676354f64e02476b1fcdbfc9b9006.png)
(1)若圆
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
(2)从圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e0cac807d10c3dc2f00f29d1687f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f625aa2ab29879c1df77417e9c1cf71.png)
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2023-12-25更新
|
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3卷引用:专题02 圆的方程11种常见考法归类(2)
(已下线)专题02 圆的方程11种常见考法归类(2)四川省眉山市北外附属东坡外国语学校2023-2024学年高二下学期开学考试数学试题四川省绵阳市江油市太白中学2024届高三上学期12月月考数学(文)试题
名校
7 . 已知圆
:
与圆
相交于
,
两点,直线
,点
为直线
上一动点,过
作圆
的切线
,
,(
,
为切点),则说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9613c3021a9b22ad21282f08f349129.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/58fe7e1d2034b3d3cd99a6d0733283b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
A.直线![]() ![]() | B.线段![]() ![]() |
C.直线![]() ![]() | D.![]() ![]() |
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2023-12-20更新
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5卷引用:湖南省娄底市涟源市行知高级中学2023-2024学年高二上学期期末数学试题
名校
8 . 已知圆
:
,过点
作圆
的切线,则切线长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c171c8206321869c402f0caf587b8747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.3 | B.4 | C.5 | D.6 |
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7卷引用:四川省南充市南充高级中学2023-2024学年高二上学期第二次月考数学试题
四川省南充市南充高级中学2023-2024学年高二上学期第二次月考数学试题四川省绵阳市南山中学实验学校2023-2024学年高二上学期期末模拟数学试题(三)(已下线)模块五 专题3 期末全真模拟(能力卷1)高二期末四川省绵阳市江油中学2023-2024学年高二上学期期末数学模拟试题3(已下线)高二上学期期末数学模拟试卷(人教A版2019选择性必修第一册+第二册)-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019)吉林省通化市梅河口市第五中学2023-2024学年高二下学期开学考试数学试题(已下线)高二上学期期末考点大通关真题精选100题(2)
名校
解题方法
9 . 已知圆
与
轴正半轴的交点为
,从直线
上任一动点
向圆作切线,切点分别为
,
,过点
作直线
的垂线,垂足为
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407a6cd11bfd80e2eee4900f4e7881bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
A.![]() | B.![]() | C.1 | D.![]() |
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5卷引用:江西省南昌市第二中学2023-2024学年高二上学期期末考试数学试卷
名校
10 . 若直线
与圆
相切,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa910a74dbbeb72c16bda196e76d4d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299b9274e61eafb5bb2d07f8d5a70bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() ![]() | B.1或![]() |
C.![]() | D.![]() ![]() |
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5卷引用:福建省泉州市德化第一中学2023-2024学年高二上学期第二次质量检测数学试题
福建省泉州市德化第一中学2023-2024学年高二上学期第二次质量检测数学试题(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)黑龙江省大庆铁人中学2023-2024学年高二上学期期末考试数学试题甘肃省天水市第一中学2023-2024学年高二下学期开学考试数学试题(已下线)期末测试卷01(测试范围:第1-4章数列)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)