名校
解题方法
1 . 如图,椭圆
和圆
,已知椭圆C的离心率为
,直线
与圆O相切.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/4449f2dd-e3a8-458c-894c-3ef28ec2c138.png?resizew=173)
(1)求椭圆C的标准方程;
(2)椭圆C的上顶点为B,EF是圆O的一条直径,EF不与坐标轴重合,直线BE、BF与椭圆C的另一个交点分别为P、Q,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324199c6751f2e0e6d8542783b0d957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b4bcb812c997db47214cb52c905f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26e366e3d5391b401cf4cd4fc970403.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/19/4449f2dd-e3a8-458c-894c-3ef28ec2c138.png?resizew=173)
(1)求椭圆C的标准方程;
(2)椭圆C的上顶点为B,EF是圆O的一条直径,EF不与坐标轴重合,直线BE、BF与椭圆C的另一个交点分别为P、Q,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdb8865ae357b7a16b6a30cf4a9e592.png)
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2024-02-06更新
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2卷引用:江西省新余市2023-2024学年高二上学期期末质量检测数学试题卷
名校
解题方法
2 . 已知椭圆
的左、右焦点分别为
,过点
且与直线
垂直的直线交
轴负半轴于
,且
.
(1)若过
、
、
三点的圆恰好与直线
相切,求椭圆
的方程;
(2)设
.过椭圆
右焦点
且不与坐标轴垂直的直线
与椭圆
交于
、
两点,点
是点
关于
轴的对称点,在
轴上是否存在一个定点
,使得
、
、
三点共线?若存在,求出点
的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e31f17d3eae2f76500ee2e8f955865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.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/e887f510c84ad9b5035cdff731ae3499.png)
(1)若过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5676511d3cf5530ac2f19f9a953adad1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.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/ac047e91852b91af639feec23a9598b2.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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5卷引用:江西省上饶市婺源天佑中学2023-2024学年高二上学期1月考试数学试题
江西省上饶市婺源天佑中学2023-2024学年高二上学期1月考试数学试题四川省绵阳市南山中学实验学校2024届高考补习年级二诊模拟数学试题(四)(已下线)模块三 专题5 大题分类练(解析几何)拔高能力练(已下线)专题18 圆锥曲线高频压轴解答题(16大核心考点)(讲义)-2(已下线)黄金卷06
名校
3 . 已知圆C关于y轴对称,被x轴分成的上下两段弧的弧长之比为
,且与x轴相交所得的弦长为
,点
为圆C上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54feff73d0dd540e4a7fbc2ccf11cbce.png)
A.圆C的方程为![]() |
B.点P到直线![]() |
C.有且仅有一个点P使得直线![]() ![]() |
D.当![]() ![]() |
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2卷引用:江西省上饶市玉山县第二中学2023-2024学年高二上学期12月月考数学试题
名校
4 . 已知点
在直线
上,点
在圆
上,则下列说法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af0ff8c14669bd4acca34759db02101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
A.点![]() ![]() ![]() | B.若直线![]() ![]() ![]() |
C.若直线![]() ![]() ![]() ![]() | D.若点![]() ![]() ![]() ![]() ![]() |
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4卷引用:江西省景德镇市乐平中学2023-2024学年高二上学期期末数学试题
江西省景德镇市乐平中学2023-2024学年高二上学期期末数学试题湖南省邵阳市邵东创新实验学校2023-2024学年高二上学期创高杯考试数学试题(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)(已下线)专题11 与圆有关的切线问题(期末选择题11)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)
解题方法
5 . 已知椭圆
(
,
)的离心率为
,左、右焦点分别为
,
,
为
的上顶点,且
的周长为
.
(1)求椭圆
的方程;
(2)设圆
上任意一点
处的切线
交椭圆
于点
、
.求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/47444b5fbc4252516d54263062e47c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9c88ffcba30a26aac71d05b2bffe61.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b33328faae2d2d4921900e97424de5.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/c5db41a1f31d6baee7c69990811edb9f.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/fd908ea0fea10e9ae17b63da04845468.png)
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6 . 已知圆
,直线
的方程为
,若在直线
上存在点
,过点
作圆
的切线
,切点分别为点
,使得
为直角,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe2d78f43611bad0d264eb3222f2472.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
7 . 已知椭圆
,四点
中恰有三点在
上.
(1)求
的方程;
(2)若圆
的切线
与
交于点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7ff4133ed55b368b3d9edd862896ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6bedb066ee81c299629cccf35f186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/3825ccc273ef9a672a606432d165b866.png)
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2023-03-24更新
|
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名校
8 . 在平面直角坐标系
中,已知圆M的圆心在直线
上,且圆M与直线
相切于点
.
(1)求圆M的方程;
(2)过
的直线l被圆M截得的弦长为
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a9e1eb4c3226489d1344321b10b7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879080beb1e55cae2639645cd64c4710.png)
(1)求圆M的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa71aa2ea224669698850108751a71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35361e76a7c85d1886728c8d0200b234.png)
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2023-02-19更新
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4卷引用:江西省宜春市铜鼓中学2022-2023学年高二下学期第一次段考数学试题
9 . 已知圆C满足下列条件:①圆心C在第三象限;②与圆
外切;③圆C的一条切线方程为
,则圆C的标准方程可能是__________ .(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fac54171cf18627efe441399121624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
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名校
解题方法
10 . 已知圆心在
轴上的圆
与直线
切于点
.
(1)求圆
的标准方程;
(2)已知
,经过原点且斜率为正数的直线
与圆
交于
,
.求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bba5922f974abd7883d7a5dcddb8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe3d07387b81817ca97b865e40f68d8.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b32a92039ba74fca3ff47ec3b184c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576e041b609a0796e51b12e33593ed8e.png)
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13卷引用:江西省上高二中2023-2024学年高二上学期10月期中考试数学试题
江西省上高二中2023-2024学年高二上学期10月期中考试数学试题湖北省孝感市2022-2023学年高二上学期1月期末数学试题安徽省合肥市肥东县综合高中2022-2023学年高二下学期开学考试数学试题(已下线)模块三 专题9 直线与圆、圆与圆的位置关系 B能力卷(已下线)第09讲 2.5.1直线与圆的位置关系(3)(已下线)模块三 专题12 直线与圆、圆与圆的位置关系 B能力卷吉林省长春市长春吉大附中实验学校2023-2024学年高二上学期9月月考数学试题(已下线)高二上学期第一次月考解答题压轴题50题专练-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)广东省汕头市金山中学2023-2024学年高二上学期期中数学试题(已下线)专题05 直线与圆综合大题18种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)(已下线)第03讲 第二章 直线和圆的方程章节综合测试-【练透核心考点】2023-2024学年高二数学上学期重点题型方法与技巧(人教A版2019选择性必修第一册)(已下线)专题05 圆的压轴题(1)(已下线)圆 与方程