名校
解题方法
1 . 已知椭圆
的左右顶点分别为
和
,离心率为
,且经过点
,过点
作
垂直
轴于点
.在
轴上存在一点
(异于
),使得
.
(1)求椭圆
的标准方程;
(2)判断直线
与椭圆
的位置关系,并证明你的结论;
(3)过点
作一条垂直于
轴的直线
,在
上任取一点
,直线
和直线
分别交椭圆
于
两点,证明:直线
经过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287d8ef3b6114a1d1111d46271819100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fb7a994dc0af06ea0174cb4ef6f3ce.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e463e661d45282d927b7596d5ad3b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3896bb7e10246b3b8c33da4c500762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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2024-05-13更新
|
593次组卷
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4卷引用:河南省郑州市2024届高三第三次质量预测数学试题
2 . 已知椭圆E:
过点
,且焦距为
.
(1)求椭圆E的标准方程;
(2)过点
作两条互相垂直的弦AB,CD,设弦AB,CD的中点分别为M,N.
①证明:直线MN必过定点;
②若弦AB,CD的斜率均存在,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆E的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc3e47a358860345e74450ce2af9f9e.png)
①证明:直线MN必过定点;
②若弦AB,CD的斜率均存在,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb673705e1e596353a8dc38cc74a8a0e.png)
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2024-03-27更新
|
1838次组卷
|
5卷引用:河南省郑州市2024届高三第二次质量预测数学试题
解题方法
3 . 已知椭圆
:
的离心率为
,过右焦点
的直线
与
相交于
、
两点.当
垂直于长轴时,
.
(1)求椭圆
的方程;
(2)椭圆
上是否存在点
,使得当
绕点
转到某一位置时,四边形
为平行四边形?若存在,求出所有点
的坐标;若不存在,请说明理由.
![](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/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ceb2742ad976c1ab6a9202b96a4dff0.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40b8789cc8d81b3cf64f0b318ab982a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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4 . 阿基米德是古希腊著名的数学家、物理学家,他利用“逼近法”得到椭圆的面积除以圆周率
等于椭圆的长半轴长与短半轴长的乘积.已知椭圆
:
的面积为
,点
在椭圆
上,且点
与椭圆
左、右顶点
,
连线的斜率之积为
,则
的值不可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](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/c899dd9f2d16790c36fb2590b1fb7407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/c5db41a1f31d6baee7c69990811edb9f.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/12c4415b7792aadd1a6e148ece446aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02a4cd44073abfdd2973d231e98638a.png)
A.![]() | B.![]() | C.0 | D.2 |
您最近一年使用:0次
名校
5 . 若方程
表示焦点在y轴上的椭圆,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f876e0eb124ecf80182d0f502618920.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-02-05更新
|
305次组卷
|
25卷引用:河南省郑州市新密市第一高级中学2022-2023学年高二上学期第三次月考数学试题
河南省郑州市新密市第一高级中学2022-2023学年高二上学期第三次月考数学试题河南省濮阳市南乐县第一高级中学2022-2023学年高二上学期第二次月考文科数学试题浙江省杭州学军中学2022-2023学年高二上学期期中模拟数学试题山东省济南市历城区历城第二中学2022-2023学年高二上学期期中数学试题江苏省扬州大学附属中学东部分校2022-2023学年高二上学期期中数学试题四川省成都外国语学校2022-2023学年高二上学期期中考试数学(文)试题四川省成都外国语学校2022-2023学年高二上学期期中考试数学(理)试题辽宁省大连市第十五中学2022-2023学年高二上学期期中数学试题(已下线)专题04 椭圆小题专项练习湖北省荆州中学2022-2023学年高二上学期期末数学试题湖北省武汉外国语学校2022-2023学年高二上学期期末数学试题(已下线)高二数学上学期期末模拟试卷01(选择性必修第一册+数列)-【题型分类归纳】2022-2023学年高二数学同步讲与练(人教A版2019选择性必修第二册)(已下线)专题3.1 椭圆及其标准方程【六大题型】-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)贵州省毕节市金沙中学2022-2023学年高二上学期期中教学质量检测数学试题黑龙江省牡丹江市第三高级中学2023-2024学年高二上学期第一次月考数学试题江苏省扬州市邗江区2023-2024学年高二上学期期中调研考试数学试题陕西省渭南市杜桥中学2023-2024学年高二上学期期中考试数学试卷(已下线)专题03 椭圆13种常见考法归类(1)黑龙江省绥化市绥棱县第一中学2023-2024学年高二上学期1月期末考试数学试题(已下线)3.1.1 椭圆及其标准方程(6大题型)精讲-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)(已下线)专题01期中真题精选(基础70题10类考点专练)(3)湖南省涟源市2023-2024学年高二上学期期末考试数学试题黑龙江省方正县高楞高级中学校2023-2024学年高二上学期期中考试数学试题(已下线)2.2.1 椭圆的标准方程(十三大题型)(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3章 圆锥曲线与方程单元检测(基础卷)-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
解题方法
6 . 已知是离心率为
的椭圆
:
(
)上任意一点,
是椭圆
的右焦点,且
的最小值是1.
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/9f2e70ea9dca32e6f14ae26be4431457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-01-13更新
|
461次组卷
|
3卷引用:河南省郑州市第十八中学2023-2024学年高二上学期期末模拟数学试题(六)
解题方法
7 . 已知椭圆
的左右焦点分别为
,离心率为
,点
在椭圆上,且满足
轴,
.
(1)求椭圆的方程;
(2)若直线
交椭圆于A,B两点,求
(
为 坐标原点)面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5c5c9104cd65f35b1349d533e04b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a3ed1bb9e7968296527bdea4075ced.png)
(1)求椭圆的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2024-01-12更新
|
864次组卷
|
3卷引用:河南省郑州市第十八中学2023-2024学年高二上学期期末模拟数学试题(三)
解题方法
8 . 如图,在圆
(
)上任取一点
,过点
作
轴的垂线段
,
为垂足.当点
在圆上运动时,线段
的中点
的轨迹是椭圆,那么这个椭圆的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3503d330608e7138d1b529aba4512fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/5e38e829-bc1d-486c-9d1b-d58922dc00ab.png?resizew=157)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-11更新
|
487次组卷
|
3卷引用:河南省郑州市第十八中学2023-2024学年高二上学期期末模拟数学试题(四)
解题方法
9 . 设
,
为实数,已知经过点
的椭圆
与双曲线
有相同的焦距,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8932f1ed31c60da689945cb70362fc98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16f489ddbde5d7187e60d6db6c2f588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c8a3a2849e2f5bd29eb2e4f3fb2f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2024-01-04更新
|
415次组卷
|
2卷引用:河南省郑州市钱学森实验学校2023-2024学年高二上学期第二次月考数学试题
解题方法
10 . 求满足下列条件的曲线的方程.
(1)经过两条直线
和
的交点,且平行于直线
;
(2)已知椭圆的两个焦点坐标分别是
,并且经过点
,求它的标准方程.
(1)经过两条直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc39d5203b918c24ab32b651a31f058a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f8c3f9d839a655f9df464aadd7c1a8.png)
(2)已知椭圆的两个焦点坐标分别是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7888d7e8b712813a64fd270c7c874e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301a95724aeecaa563b18c4499df7e22.png)
您最近一年使用:0次