名校
解题方法
1 . 如图,把半椭圆:
:
与圆弧
:
合成的曲线称作“曲圆”,其中
为
的右焦点,如图所示,
、
、
、
分别是“曲圆”与
轴、
轴的交点,已知
,过点
且倾斜角为
的直线交“曲圆”于
、
两点(
在
轴上方).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/8aff332a-02c8-493a-992e-448fe7e57d00.png?resizew=171)
(1)求椭圆
和圆弧
的方程;
(2)当点
、
分别在第一、第三象限时,求
的周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22178ee98809feea0b6d87241c7ba288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cdb94fa47eca1bbc1de89a3e45f3030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.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/21ab6ee7095494e9165f08edde723100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/8aff332a-02c8-493a-992e-448fe7e57d00.png?resizew=171)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce30fc0664cca88dbe6d38f32aee81e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaafb050b24c4e806c480e0665aaa5a.png)
(2)当点
![](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/c8ef68c72248af27e3b83b4ee5fdeb51.png)
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解题方法
2 . 根据下列条件,求中心在原点,对称轴在坐标轴上的椭圆方程:
(1)焦点在
轴上,长轴长是短轴长的2倍,且过点
;
(2)焦点在
轴上,一个焦点与短轴的两端点连线互相垂直,且半焦距为6.
(1)焦点在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94286c17504390cbdaba03665f2c1f63.png)
(2)焦点在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2021-12-01更新
|
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|
2卷引用:宁夏石嘴山第三中学2022届高二上学期期中考试数学(理)试题
3 . 已知点
是圆
上任意一点,过点
作
轴的垂线,垂足为
,点
满足:
.
(1)求点
的轨迹方程;
(2)写出满足点
的轨迹的两个性质.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3697b69af9284041971286f28c8b984.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)写出满足点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2021-11-28更新
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2卷引用:宁夏六盘山高级中学2021-2022学年高二上学期期中考试数学(文)试题
4 . 已知点Q是圆M:
上一动点(M为圆心),点N的坐标为
,线段QN的垂直平分线交线段QM于点C,动点C的轨迹为曲线E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/ef04cf0f-ac30-47a4-8a34-318b3fa0193b.png?resizew=180)
(1)求曲线E的轨迹方程;
(2)求直线
与曲线E的相交弦长;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f0f66a3061a601e1aad159db0de9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c49ff28dd916c7ece13e9283adc365.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/ef04cf0f-ac30-47a4-8a34-318b3fa0193b.png?resizew=180)
(1)求曲线E的轨迹方程;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
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5 . 已知p:
表示焦点在
轴上的椭圆,q:
,
(1)若p是真命题,求m的取值范围;
(2)若
是真命题,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf9b18008f63c6ebd5f374a9a2a38d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cbc98f59fe94d27a6480d728658067.png)
(1)若p是真命题,求m的取值范围;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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解题方法
6 . 已知定圆
,动圆M过点
,且和圆A相切.
(1)求动圆圆心M的轨迹E的方程;
(2)设不垂直于x轴的直线l与轨迹E交于不同的两点P、Q,点
.若P、Q、N三点不共线,且
.证明:动直线PQ经过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db913f194627b21fae0c9ceaf40033.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513eafd10fa1ec0196562865517e0b09.png)
(1)求动圆圆心M的轨迹E的方程;
(2)设不垂直于x轴的直线l与轨迹E交于不同的两点P、Q,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/343a7ab6571ec674d8ec3dd5492fccaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22871505498b73670d0ee432ba402631.png)
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2021-11-16更新
|
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|
2卷引用:宁夏石嘴山市平罗中学2021-2022学年高二上学期期中考试数学(理)试题
名校
解题方法
7 . 已知椭圆
,离心率为
,点
在椭圆C上.
(1)求椭圆C的标准方程;
(2)若
,过
的直线l交椭圆C于M、N两点,且直线l倾斜角为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd85ed9cb9a08633bfc36fc7bf4e6b5c.png)
(1)求椭圆C的标准方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f49644cd9fa4688cc3a74a234952530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19e695795d6c124955e2c6ec0b46056.png)
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2021-10-25更新
|
2546次组卷
|
6卷引用:宁夏育才中学2021-2022学年高二上学期期中考试数学(理)试题
宁夏育才中学2021-2022学年高二上学期期中考试数学(理)试题新疆乌苏第一中学2021-2022学年高二10月月考数学试题(已下线)专题3.3 圆锥曲线的方程 章末检测3(难)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(人教A版2019选择性必修第一册)江苏省南通市通州区金沙中学2021-2022学年高二上学期第二次调研考试数学试题(已下线)第2课时 课中 椭圆的几何性质福建省上杭县第二中学2023届高三上学期12月月考数学试题
名校
解题方法
8 . 设椭圆C:
的左、右焦点分别为
,
,离心率为
,椭圆C上一点M满足
.
(1)求椭圆C的方程;
(2)过
的直线交C于A,B两点,求
面积的最大值.
![](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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eed5b1b5a80e66f5a6cd08be019376c.png)
(1)求椭圆C的方程;
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
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2021-10-19更新
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2卷引用:宁夏石嘴山市平罗中学2021-2022学年高二上学期期中考试数学(理)试题
名校
9 . 求分别适合下列条件的椭圆的标准方程:
(1)
;
(2)过点P(-3,2),且与椭圆
有相同的焦点.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef5cd83832c50cc3ffd971d4e26d5e.png)
(2)过点P(-3,2),且与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6205da5e1d2730ee0b3de8bca3e29f5e.png)
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2021-10-12更新
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4卷引用:宁夏石嘴山市平罗中学2021-2022学年高二上学期期中考试数学(文)试题
宁夏石嘴山市平罗中学2021-2022学年高二上学期期中考试数学(文)试题湖北省黄石市有色第一中学2021-2022学年高二上学期期中数学试题四川省眉山市第一中学2021-2022学年高二上学期9月月考理科数学试题(已下线)专题3.17 圆锥曲线的方程全章综合测试卷-2021-2022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)
名校
解题方法
10 . 已知椭圆C:
(
)的焦距为
,且过点
.
(1)求椭圆方程;
(2)设直线l:
(
)交椭圆C于A,B两点,且线段
的中点M在直线
上,求证:线段
的中垂线恒过定点N.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e454c7161999e2a67138869f59d319b.png)
(1)求椭圆方程;
(2)设直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2021-09-07更新
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