名校
解题方法
1 . 已知椭圆
:
的一个焦点为
,且过点
.
(1)求椭圆
的方程和离心率;
(2)过点
且与
轴不重合的直线
与椭圆
交于
,
两点,与直线
交于点
,点
满足
轴,
轴,试求直线
的斜率与直线
的斜率的比值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed6b9540857e386651e191a0a5b5a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055a2ef09e2ee0948cf67c58de58732d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7e3739bbfda13bc1da8c731adf7bf9.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277c5edd8134b666c80644af134bfa49.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/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/9b384412acba251d87902ab928902f16.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/ff95970af540cc15b7de34dcb670f3c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c5a60719887ef9d38c34c151bea5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
您最近一年使用:0次
2022-03-30更新
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1290次组卷
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4卷引用:北京市中关村中学2023-2024学年高二下学期期中调研数学试题
北京市中关村中学2023-2024学年高二下学期期中调研数学试题北京市朝阳区2022届高三一模数学试题北京市第九中学2022届高三下学期保温考试数学试题(已下线)2024年北京高考数学真题平行卷(巩固)
解题方法
2 . 已知椭圆
,左右焦点分别为
,直线
与椭圆
相交于
两点.
(1)求椭圆的焦点坐标及离心率;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bf37fb661ccc2fdd67407269708df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec89d17a1b8f7961e2f1f27c2d50685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆的焦点坐标及离心率;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
您最近一年使用:0次
2022-10-28更新
|
1287次组卷
|
2卷引用:北京市第一五六中学2021-2022学年高二上学期期中数学试题
名校
解题方法
3 . 已知椭圆
(
)的左、右顶点分别为
,
,且
,离心率为
.
(1)求椭圆
的方程;
(2)设
是椭圆
上不同于
,
的一点,直线
,
与直线
分别交于点
.若
,求点
横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.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/179d7920ec6cd22f3a0cfa6738260153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b077be09e01edf89b01f57e9ddd682f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64582037ec580254717ea3e9580dee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2022-03-24更新
|
1296次组卷
|
5卷引用:北京市十一学校2021-2022学年高二下学期第3学段教与学诊断(期中)数学试题
4 . 已知
是椭圆
的左、右焦点,点P为C上一点,O为坐标原点,
为正三角形,则C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41a767b1010b9a0cf89ad9986dd5f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da54d380c177d93a565ad62d4054283a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-26更新
|
1256次组卷
|
2卷引用:北京市朝阳区北京中学2021-2022学年高二上学期期中数学试题
名校
解题方法
5 . 已知椭圆E:
过点
,E的离心率
.
(1)求椭圆的标准方程;
(2)设点A、B为椭圆左右顶点,过点
且不与x轴重合的直线l分别交E于C,D.直线
分别交直线AC和BD于P,Q点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆的标准方程;
(2)设点A、B为椭圆左右顶点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d196d17bd2569f9e99a945809d08599b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3b8b374f47492c599241cc866cabe4.png)
您最近一年使用:0次
2023-08-05更新
|
560次组卷
|
2卷引用:北京市海淀区清华大学附属中学2022-2023学年高二上学期期中考试数学试题
名校
解题方法
6 . 椭圆
的左、右焦点分别为
,焦距为
,若直线
与椭圆C的一个交点M满足
,则该椭圆的离心率等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dcc91c2ffb5571eaf944c34f5e8ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf339a9d86ff87deccee17f86c75c21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28058cdc8131abea35a3e3726718cce.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-10-29更新
|
1184次组卷
|
2卷引用:北京市广渠门中学2021-2022学年高二上学期期中数学试题
名校
7 . 已知椭圆
的一个顶点为
,且离心率为
.
(1)求椭圆C的方程;
(2)直线
与椭圆C交于A、B两点,且
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆C的方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
您最近一年使用:0次
2022-11-08更新
|
1147次组卷
|
6卷引用:北京市朝阳区清华大学附属中学朝阳学校2022-2023学年高二上学期期中考试数学试题
北京市朝阳区清华大学附属中学朝阳学校2022-2023学年高二上学期期中考试数学试题吉林省长春市长春外国语学校2022-2023学年高二下学期期中数学试题(已下线)期中真题必刷椭圆60题(4个考点专练)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)广东省江门市第一中学中2022-2023学年高二上学期第二次段考数学试题上海外国语大学附属外国语学校2022-2023学年高二下学期3月月考数学试题天津市第五十四中学2023-2024学年高二上学期12月月考数学试题
名校
解题方法
8 . 已知椭圆
(
)的离心率为
,一个焦点为
.
(1)求椭圆
的方程;
(2)设
为原点,直线
(
)与椭圆
交于不同的两点
,且与x轴交于点
,
为线段
的中点,点
关于
轴的对称点为
.证明:
是等腰直角三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2293a1d028c9ecd8f26a69543a6ced9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c39217c0983f8edf3ba20b50bd83573.png)
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2022-01-12更新
|
1130次组卷
|
7卷引用:北京市陈经纶中学2023-2024学年高二上学期期中考试数学试卷
名校
解题方法
9 . 已知椭圆
,点
在椭圆
上,且离心率
.
(1)求椭圆
的方程;
(2)设
为椭圆
上任一点,
为椭圆
的左、右顶点,
为
中点,求证:直线
与直线
它们的斜率之积为定值;
(3)若椭圆
的右焦点为
,过
的直线
与椭圆
交于
,求证:直线
与直线
斜率之和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/00442d96d695db2c58bf1fb7165fca94.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/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
(3)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.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/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
您最近一年使用:0次
2021-10-28更新
|
1885次组卷
|
4卷引用:北京市门头沟区大峪中学2019-2020学年高二上学期期中数学试题
名校
解题方法
10 . 已知椭圆
两个焦点分别为
,离心率为
,且过点
.
(1)求椭圆C的标准方程;
(2)P是椭圆C上的点,且
,求三角形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e501efaf72113fc8ee3d495004fa980.png)
(1)求椭圆C的标准方程;
(2)P是椭圆C上的点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db634c178cd7bffbd4cb886e3f2cca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8a7029669bf1774a24f3ef6273ca88.png)
您最近一年使用:0次
2021-11-27更新
|
1776次组卷
|
2卷引用:北京市第八十中学2021-2022学年高二上学期期中考试数学试题