1 . 已知直线l和圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6af86fad48a0dce7de33e2565ee47da.png)
(1)若直线l过点
,且在两坐标轴上的截距互为相反数,求直线l的方程;
(2)过点
引直线与圆C相切,切点为N,求线段MN的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6af86fad48a0dce7de33e2565ee47da.png)
(1)若直线l过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5de78b493bc2cc9696c584325c22ee7.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdb8f8f39e1d3eea420b0de792d20f38.png)
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2 . 已知圆
是
的外接圆,圆心为
,顶点
,
,且______.
在下列所给的三个条件中,任选一个补充在题中的横线上,并完成解答.
①顶点
;②
;③
.
(1)求圆
的标准方程;
(2)若点
为直线
:
上一动点,过点
作圆
的切线,切点为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8421ee4eda3322681d2c87376965c4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b96dbed41131dfc3cfc5e9bba3640b.png)
在下列所给的三个条件中,任选一个补充在题中的横线上,并完成解答.
①顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b13ef9ace0bd6854c1cad8000efdd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f5bfe10c2b3ce7f103f0e21d9a7c372.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若点
![](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/33a4ed2bf9fb87d3f51c9a53d6e960b8.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d87446c9ef0230285d9b08127fce5c.png)
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名校
解题方法
3 . 已知以
为圆心的圆
,过直线
上一点
作圆
的切线,切线段
(
为切点)长的最小值为
.
(1)求圆
的标准方程;
(2)若圆
与圆
相交于
,
两点,求两个圆公共弦AB的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15fd0ef39b1061d76e79eaf71a5cf03f.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/d583183429b6b31aa9742eefc67d3181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
4 . 已知圆
:
,直线
:
与圆
相交于
,
两点,记弦
的中点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过圆
上一点
的直线与曲线
恰有一个公共点
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a143573e9fe53e6a861154bf5b4c27c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630c238dae4d5429ab6085b14a814a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过圆
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2023-10-15更新
|
339次组卷
|
5卷引用:江西省部分高中学校2023-2024学年高二上学期10月联考数学试题
名校
解题方法
5 . 已知点P在圆
上,点
,
.
(1)求点P到直线AB距离的最大值;
(2)当∠PBA最小时,求线段PB的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094895000e445ee4c174f7c5116c8dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
(1)求点P到直线AB距离的最大值;
(2)当∠PBA最小时,求线段PB的长.
您最近一年使用:0次
2023-04-26更新
|
526次组卷
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6卷引用:江西省抚州市乐安县2022-2023学年高二下学期期中考试数学试题
江西省抚州市乐安县2022-2023学年高二下学期期中考试数学试题江西省抚州市乐安县第二中学2022-2023学年高二下学期期中数学试题江苏省盐城市大丰区等5地(江苏省阜宁中学等2校)2022-2023学年高二上学期1月期末联考数学试题(已下线)模块一 专题3 直线与圆 期末终极研习室(2023-2024学年第一学期)高二人教A版(已下线)专题02 期中真题精选(压轴93题10类考点专练)(2)(已下线)通关练11 圆的方程大题10考点精练(47题)- 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
6 . 已知圆M经过
,
两点,且在两坐标轴上的四个截距之和为6.
(1)求圆M的标准方程;
(2)若过点
的直线l与圆M相切于点E,F,求直线l的方程及四边形PEMF的面积S.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a6be776cdd229e5c1339265b23624a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d39bc6cbcef0f45e46b8575d42cb00.png)
(1)求圆M的标准方程;
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4542e81a6501064ab38db84bf869b28.png)
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7 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)求
的普通方程与
的直角坐标方程;
(2)由
上的点向
引一条切线,求切线长的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd7eddd3efb20bc282f8ab4eea98e1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b874b8b8a5e8aaea2fc34e87566d18.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022-11-18更新
|
226次组卷
|
2卷引用:江西省贵溪市实验中学2023届高三上学期11月第二次月考数学(理)试题
8 . 已知两个定点
,
,动点
满足
.
(1)求动点
的轨迹方程
;
(2)若过点
作曲线
的切线,记其中的一个切点为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8c39de4d7d1277da346b51b5bd2499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b54b9cf95418bc3dce6e4c698b9907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71dfa562fe8529f0f92673c2864d3c5d.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad1fe2e58722658e283bfacdd79794e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
您最近一年使用:0次
9 . 曲线
上任意一点到点
的距离与到点
的距离之比为
.
(1)试问曲线
为何种曲线,说明你的理由;
(2)过直线
上一点
向曲线
作一条切线,切点为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4050ce64013123a51809772517774811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1e3d8cb5247fa441275b0292607e4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7881094ce2f907c3aaf664318ecd3e2d.png)
(1)试问曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)过直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2e6cf7d8828710ff411327386e3f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252053b853152bd294a8315debd00b92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b6a742dbacdab5aaa298007663dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcf431fad1fd535fc09b3a9895d89d4.png)
您最近一年使用:0次
2022-10-20更新
|
359次组卷
|
3卷引用:江西省重点校2022-2023学年高二上学期10月统一调研数学试题
江西省重点校2022-2023学年高二上学期10月统一调研数学试题(已下线)湖南省部分学校2022-2023学年高二上学期期中联考数学试题山东省济宁市梁山县第一中学2022-2023学年高二上学期10月月考数学试题
10 . 已知圆E经过点
,
,且______.从下列3个条件中选取一个,补充在上面的横线处,并解答.①与y轴相切;②圆E恒被直线
平分;③过直线
与直线
的交点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d30bb07aa3a594041266cdfdeb42ab.png)
(1)求圆E的方程;
(2)求过点
的圆E的切线方程,并求切线长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44fbffcf19a245f3428ba0c35937993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403e9c8769f452f0c9e69a178b3c0cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e285ec4d2e511642a018ade683a482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36e92d66b214736233a04682a0ff2d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b40b35e8c7578ec1ca1eb5c7ca4ddc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d30bb07aa3a594041266cdfdeb42ab.png)
(1)求圆E的方程;
(2)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4722e78001492d2ef9ea2ce09ca83087.png)
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2022-10-04更新
|
977次组卷
|
7卷引用:江西省赣州市赣县第三中学2022-2023学年高二上学期10月月考数学试题