名校
解题方法
1 . 已知圆C与直线
相切于点
,且圆心C在x轴的正半轴上.
(1)求圆C的方程;
(2)过点
作直线交圆C于M,N两点,且M,N两点均不在x轴上,点
,直线BN和直线OM交于点G.证明:点G在一条定直线上,并求此直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276e0fc0eb117d9504dcee30c86650c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedad6bb70631b944c69f8f0b02b35d6.png)
(1)求圆C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
您最近一年使用:0次
名校
解题方法
2 . 若
均为任意实数,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1aa444fa00d2cb78c74ca0acd21366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62b14b1c27de7edaa2fd4949ae94327.png)
A.![]() | B.18 |
C.![]() | D.![]() |
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2023-12-11更新
|
601次组卷
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18卷引用:河南省信阳高级中学2020-2021学年高二下学期回顾测试数学(文)试题
河南省信阳高级中学2020-2021学年高二下学期回顾测试数学(文)试题贵州省遵义市第二教育集团2021-2022学年高二上学期期末联考数学(文)试题(已下线)第09讲:一元函数的导数及其应用 (必刷7大考题+7大题型) -2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019)安徽省“皖南八校”2018届高三第三次(4月)联考数学(理)试题(已下线)2019年一轮复习讲练测 3.2 导数的运算【浙江版】【测】宁夏回族自治区银川市宁一中2019-2020学年高三12月月考数学(理)试题甘肃省白银市会宁县第一中学2019-2020学年高三上学期12月月考数学(文)试题(已下线)2020届高三12月第02期(考点03)(理科)-《新题速递·数学》2020届广东省广州市天河区高三综合测试(二)数学(文)试题中原名校2019-2020学年高三下学期质量考评一数学理科试题甘肃省民乐县第一中学2019-2020学年高三3月线上考试数学(理)试题中原名校2019-2020学年高三下学期质量考评一数学文科试题中原名校2019-2020学年下学期质量考评一高三数学(文科)试题2020届中原名校高三下学期质量考评一数学理科试题(已下线)第36练 圆与方程-2021年高考数学(理)一轮复习小题必刷广东省广州市广州大学附属中学2021届高三上学期三校联考数学试题广东省广州市(广附、广外、铁一)三校2021届高三上学期12月联考数学试题(已下线)专题2 点点距离 构造函数 讲
名校
3 . 已知圆
与圆
,则下列说法正确的是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1c01121e7c2a52ebe672eeecc38840.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c691b4c8e9d3d50c179eb5850f930379.png)
![](https://img.xkw.com/dksih/QBM/2023/11/18/3370788760117248/3371178539253760/STEM/3f563d83b647455886b77838eb91139c.png?resizew=4)
A.圆![]() ![]() |
B.若圆![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2023-12-02更新
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3卷引用:黑龙江省大庆市萨尔图区东风中学2023-2024学年高二上学期期中数学复习题
名校
解题方法
4 . 在平面直角坐标系中,已知圆心在
轴上的圆
经过点
,且被
轴截得的弦长为
.经过坐标原点
的直线
与圆
交于
两点.
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求当满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3427c514e23f352c52dc6a13e2e0a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68bfdc5c330cf9b907d6892d2332a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cce6cac0fdd4b1a434af8bcaec8fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a3f348a942d468f0d77c0dfbb41d87.png)
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6卷引用:四川省内江市第六中学2022-2023学年高二上学期期中考试数学(理科)试题
四川省内江市第六中学2022-2023学年高二上学期期中考试数学(理科)试题上海市华东师范大学附属东昌中学2022-2023学年高二上学期期末数学试题(已下线)专题04 圆锥曲线经典题型全归纳(2)湖南省衡阳市衡阳县第二中学2023-2024学年高二上学期期中数学试题(已下线)2.1.3 直线与圆的位置关系(八大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)第2章 圆与方程单元检测卷(提优卷)-2023-2024学年高二数学《重难点题型·高分突破》(苏教版2019选择性必修第一册)
名校
5 . 已知圆
的方程为
,直线
,点
是直线
上的一动点,过
作圆
的两条切线,切点分别为
,当四边形
的面积最小时,直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb294679d7751d992a54b06f0d0a912.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11324107848a06118e570f95bff47a12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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2卷引用:山东省济宁市兖州区2023-2024学年高二上学期期中考试数学试题
名校
解题方法
6 . 设曲线C的方程为x2+y2=2|x|-2|y|,则( )
A.曲线C既是轴对称图形,又是中心对称图形 |
B.曲线C围成图形的面积为![]() |
C.曲线C的周长为![]() |
D.曲线上任意两点间距离的最大值为4 |
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3卷引用:江苏省曲塘高级中学2023-2024学年高二上学期期中考试数学试卷
名校
7 . 对于平面上点
和曲线
,任取
上一点
,若线段
的长度存在最小值,则称该值为点
到曲线
的距离,记作
.下列结论中正确的个数为( )
①若曲线
是一个点,则点集
所表示的图形的面积为
;
②若曲线
是一个半径为
的圆,则点集
所表示的图形的面积为
;
③若曲线
是一个长度为
的线段,则点集
所表示的图形的面积为
;
④若曲线
是边长为
的等边三角形,则点集
所表示的图形的面积为
.
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/72a421e5d3b3752b9e1f04c30799bace.png)
①若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26bee18b0b9fdb657956eaeb43023288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b3a91ccf6028608cd03df7072f6536.png)
②若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d079a36153052a0fbdf35b2a2bd3b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e95a79288fcb7e47fba4410722e2bc6.png)
③若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d079a36153052a0fbdf35b2a2bd3b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b0c7fb6244310e468d5092cf0dba4f.png)
④若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d079a36153052a0fbdf35b2a2bd3b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebceb91a9f116f8f5308bcad3020bae4.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2023-11-23更新
|
431次组卷
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6卷引用:北京市陈经纶中学2023-2024学年高二上学期期中考试数学试卷
北京市陈经纶中学2023-2024学年高二上学期期中考试数学试卷(已下线)专题02 直线和圆的方程(5)(已下线)2.1.4 圆与圆的位置关系(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)浙江省湖州市第二中学2024届高三上学期期中数学试题(已下线)考点3 与集合相关的新定义问题 --2024届高考数学考点总动员【练】(已下线)专题1 直线与圆的位置关系【练】(压轴小题大全)
名校
8 . 已知
为圆
上一动点,过点
作圆
的切线
,交圆
于点A、B,则
的最大值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf17e1e341a3797ac6b7663c0cf68f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e0c585abee1a66784e137cf0de69a1.png)
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9 . 已知圆C经过点
,
,且直线
被圆C所截得的弦长为
.点P为圆C上异于A、B的任意一点,直线
与x轴交于点M,直线
与y轴交于点N.
(1)求圆C的方程;
(2)探求
是否为定值,若为定值,求出此定值,若不是定值,说明理由;
(3)过点
的动直线l与圆C交于不同的两点E,F.记线段
的中点为R,则当直线l绕点D转动时,求动点R的轨迹长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6274852e643a635e7340efa732edddc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(1)求圆C的方程;
(2)探求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf904bf6e732f418ad172ce21688f626.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17905988258f795b4eb172b19ad2d7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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10 . 已知圆
:
(
)分别与
轴、
轴交于点
,
(均异于坐标原点
),过点
作两条直线
,
,斜率分别为
,
,且
,直线
与
轴交于点
,直线
与圆
交于
,
两点.
(1)若
,
,求直线
的方程;
(2)若原点
到直线
的距离为
,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9650b604e20d47100703f15033044648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a62c9695f5a1691c5fe8724fa764b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e2cfdc638df824fb9967f44e436ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5bd9df372dcb66f118f3be8c2e8f0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)若原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98ee8ce2c56dccae6b63b5a9ca022b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
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