1 . 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/be112e60e2e0adcad51a2686ccdc42d9.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/df6ec265fda4da82401ccd036f5ab5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
您最近一年使用:0次
2023-12-15更新
|
178次组卷
|
2卷引用:青海省西宁市部分学校2023-2024学年高二上学期期末联考数学试题
解题方法
2 . 已知椭圆
经过点
,离心率为
.
(1)求椭圆C的方程;
(2)过点
的直线
交椭圆于A,B两点,
为椭圆C的左焦点,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6301e2588ebb44105a6d978c9e0b59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
(1)求椭圆C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99296bab1b42898e7ca336a822510258.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/b23098ec4e772c7fc8513039af683764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-12-14更新
|
472次组卷
|
3卷引用:广东省汕尾市2019届高三上学期教学质量监测文科数学试题
名校
解题方法
3 . 已知椭圆
的左、右焦点分别为
、
,椭圆
过点
,且
轴,
为坐标原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/e5f238a7-5053-40f3-be82-4beda0733323.png?resizew=168)
(1)求椭圆
的方程;
(2)如图,菱形
内接于椭圆
,菱形中心在坐标原点,求菱形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b112efd85bd7c4245545ba1c171665d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0803835d6f594a60bd16c823e3ad2cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/e5f238a7-5053-40f3-be82-4beda0733323.png?resizew=168)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解题方法
4 . 已知椭圆E:
,已知椭圆过点M
,
.
(1)求椭圆E的标准方程;
(2)已知直线l:
交E于点A,B两点、交x轴于P点,点A关于x轴的对称点为D,直线BD交x轴于Q点. 试探究
是否为定值?若是定值,则求出该定值;若不是定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de261e9b4defbc0be6440397031a87b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71117123e5c9338772f3ae0dd9087a2.png)
(1)求椭圆E的标准方程;
(2)已知直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8041c797b98b834c70dbf7d1d4346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3668b55ec6c015b1afe1aabb38392a35.png)
您最近一年使用:0次
解题方法
5 . 已知
是椭圆
的两个焦点,
,
为
上一点.
(1)求椭圆
的标准方程;
(2)若
为
上一点,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](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/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
您最近一年使用:0次
2023-12-03更新
|
274次组卷
|
4卷引用:广东省揭阳市揭东区2023-2024学年高二上学期1月期末数学试题
广东省揭阳市揭东区2023-2024学年高二上学期1月期末数学试题江西省宜春市万载县赣西外国语学校2023-2024学年高二上学期期中数学试题(A卷)江西省赣西外国语学校2023-2024学年高二上学期期中考试数学B卷(已下线)专题09 椭圆的标准方程6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(苏教版2019选择性必修第一册)
解题方法
6 . 已知椭圆
过
两点,O为坐标原点.
(1)求椭圆的标准方程;
(2)若直线
与圆
相切,且与椭圆交于A,B两点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2493c7aac2be649d078a63e3f84c1001.png)
(1)求椭圆的标准方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ade6181a6ed3276b3d64f1fd5bb5b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16f562654c7b3102df1212dd653707e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
您最近一年使用:0次
名校
解题方法
7 . 已知椭圆
过点
.其左、右两个焦点分别为
、
,短轴的一个端点为B,且
.
(1)求椭圆的标准方程:
(2)设直线
:
与椭圆交于不同的两点M,N,且O为坐标原点,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5891f86f0a02a830d3247f16516f18c7.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/af1df54d9a0dc61187f219d4d27217ad.png)
(1)求椭圆的标准方程:
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f253946dde5a3af7ccf4eb0cab4c8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-11-23更新
|
344次组卷
|
2卷引用:江西省宜春市丰城市第九中学2023-2024学年高一日新班上学期期末考试数学试题
解题方法
8 . 直角坐标系中椭圆
的中心为原点,焦点在坐标轴上,点
,
均在椭圆
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef233ad3db01fa3ce9ee94eaad8e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e454c7161999e2a67138869f59d319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.椭圆![]() ![]() |
B.直线![]() ![]() ![]() |
C.椭圆![]() |
D.椭圆![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
9 . 已知椭圆
:
经过点
,且离心率为
.
(1)求椭圆
的方程;
(2)设椭圆的右顶点为
,若直线
与椭圆
相交于
两点(异于点
),且满足
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef233ad3db01fa3ce9ee94eaad8e64e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设椭圆的右顶点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3342ceb71dc21a5e6150caad2ce0b029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
您最近一年使用:0次
2023-11-14更新
|
1227次组卷
|
7卷引用:重庆市部分区2022-2023学年高二上学期期末联考数学试题
重庆市部分区2022-2023学年高二上学期期末联考数学试题(已下线)模块三 专题6 大题分类练(圆锥曲线)拔高能力练 期末终极研习室(高二人教A版)(已下线)四川省绵阳市实验高级中学2023-2024学年高二上学期期末模拟数学试题(已下线)第08讲:圆锥曲线(大题) (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)四川省凉山州西昌市2023-2024学年高二上学期期末考试数学试题山东省青岛市第五十八中学2023-2024学年高二上学期12月月考数学试题山东省临沂市第十九中学2023-2024学年高二上学期第五次质量调研考试数学试题
名校
解题方法
10 . 已知椭圆
的中心是坐标原点
,它的短轴长为
,一个焦点
的坐标为
,过点
且垂直于
轴的直线与椭圆
交于
两点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/69c0de5a-62c1-4698-a750-60cacee7f838.png?resizew=210)
(1)求椭圆
的方程;
(2)若过点
的直线与椭圆
相交于
两点,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29850e5d4c1c3012e8021afee951729f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a67e9c458d784d78ad4eb55536f9e9e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/69c0de5a-62c1-4698-a750-60cacee7f838.png?resizew=210)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7908e8e2ca67ad0f739860222423950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7df99fe6438442a9453fc0c57fb703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2023-11-03更新
|
856次组卷
|
2卷引用:陕西省渭南市渭南中学2023-2024学年高二上学期期末质量调研数学试题