名校
1 . 已知曲线
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6fd2f864960ee053def6ca9a14652be.png)
A.曲线![]() ![]() |
B.曲线![]() ![]() |
C.当曲线![]() ![]() |
D.当曲线![]() ![]() |
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2 . 已知点
是椭圆
上的一点,
和
分别为左右焦点,焦距为6,且过
.
(1)求椭圆的标准方程;
(2)若动直线
过
与椭圆交于
两点,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/1e7a98a3b8efc4c726892c2a664764e9.png)
(1)求椭圆的标准方程;
(2)若动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
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名校
3 . 若椭圆
的一个焦点为
,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85f93ce5a6e28a70fb19ef9f42e2a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
A.7 | B.5 | C.![]() | D.![]() |
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解题方法
4 . 已知椭圆
:
的两焦点
,
,且椭圆
过
.
(1)求椭圆
的标准方程;
(2)过点
作不与坐标轴垂直的直线
交椭圆
于
,
两点,线段
的垂直平分线与
轴负半轴交于点
,若点
的纵坐标的最大值为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f640a856e8f437a88ebd6c8c8f33dda.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e165ecb6f59aff040ac62edd49cc5551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2023-12-02更新
|
604次组卷
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4卷引用:广东省东莞市七校2023-2024学年高二上学期期中联考数学试题
广东省东莞市七校2023-2024学年高二上学期期中联考数学试题新疆生产建设兵团第三师图木舒克市第一中学2023-2024学年高二上学期第三次月考数学试题(已下线)专题03 圆锥曲线方程(2)(已下线)微考点6-2 圆锥曲线中的弦长面积类问题
名校
解题方法
5 . 已知平面内的动点M的轨迹是阿波罗尼斯圆(动点M与两定点A,B的距离之比
(
,
,且
是一个常数),其方程为
,定点分别为椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
的右焦点F与右顶点A,且椭圆C的长轴长为
.
(1)求椭圆C的标准方程;
(2)设椭圆C的左焦点为E,过点A作直线l交圆
于点S,T,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d4fcf3bba7217428e57c388baf1dfd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求椭圆C的标准方程;
(2)设椭圆C的左焦点为E,过点A作直线l交圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ddca39fdcc025976e9750a30f3b08d7.png)
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2023-12-02更新
|
153次组卷
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2卷引用:广东省东莞市东华高级中学2023-2024学年高二上学期期中考试数学试卷
名校
解题方法
6 . 已知
,
是椭圆
的两个焦点,
,
为C上一点.
(1)求椭圆C的标准方程;
(2)若P为C上一点,且
,求
的面积.
![](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/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2644e9f73e5871db934fdafc431d675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4b5b3660e352c3fc3ede794022be9d.png)
(1)求椭圆C的标准方程;
(2)若P为C上一点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210020e91dbd088c72734d3f2fe58c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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2023-11-28更新
|
500次组卷
|
7卷引用:广东省东莞市实验中学2023-2024学年高二上学期期中数学试题
名校
解题方法
7 . 已知椭圆
的左焦点为
,左、右顶点及上顶点分别记为
,且
.
(1)求椭圆
的方程;
(2)若直线
与椭圆
交于
两点,求
面积的最大值,以及取得最大值时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7422cbdb4ad06d155abb2ccdb25ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea937e4707c2e0be834acb0e11a35f0.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd40f44c911918ee3638eb1a24bb1bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
8 . 已知椭圆方程为
,其右焦点为
,过点
的直线交椭圆与
,
两点.若
的中点坐标为
,则椭圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14436636ec6a7aec09cb63cecf6e970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0924ff22fff9f5639feb0ceeece80d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-22更新
|
1499次组卷
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5卷引用:广东省深圳市盐田高级中学2023-2024学年高二上学期期中考试数学试题
广东省深圳市盐田高级中学2023-2024学年高二上学期期中考试数学试题广东省广州市真光中学2023-2024学年高二上学期12月月考数学试题安徽省蚌埠市怀远县怀远禹泽学校、固镇县汉兴学校2023-2024学年高二上学期第三次月考数学试题(已下线)专题16 椭圆的中点弦问题(期末选择题16)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)(已下线)专题28 中点弦及点差法的8种常见考法归类 - 【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)
9 . 如图,已知定圆A的半径为4,B是圆A内一个定点,且
,P是圆上任意一点.线段BP的垂直平分线l和半径AP相交于点Q,当点P在圆上运动时,则点Q的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/19/6fe226c7-6985-4d56-b424-ffddb62d6d56.png?resizew=163)
A.圆 | B.射线 |
C.长轴为4的椭圆 | D.长轴为2的椭圆 |
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2023-11-17更新
|
1041次组卷
|
4卷引用:广东省深圳市宝安中学2023-2024学年高二上学期期中测试数学试卷
广东省深圳市宝安中学2023-2024学年高二上学期期中测试数学试卷广东省佛山市超盈实验中学2023-2024学年高二上学期第二次段考复习数学试题(已下线)第3章:圆锥曲线与方程章末重点题型复习-【题型分类归纳】2023-2024学年高二数学同步讲与练(苏教版2019选择性必修第一册)(已下线)第三篇 努力 “争取”考点 专题8 圆锥曲线的定义应用【练】
10 . 已知椭圆
,经过
,且离心率为
.
(1)求椭圆
的标准方程;
(2)设直线
与椭圆交于
,
两点,
为坐标原点.求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cba824597ac1256ef641fb87346dda6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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