名校
解题方法
1 . 已知椭圆
:
(
)经过点
,
.
(1)求椭圆
的标准方程;
(2)已知点
,
,
为椭圆
上异于A的两点,且
,证明:直线
过定点,并求出该定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](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/c7cda9ce6d633bc1f3a249fb0fc458a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/303e6de91a36b8ca92ae42c952cad8af.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2024-02-23更新
|
359次组卷
|
2卷引用:江苏省连云港市2023-2024学年高二上学期期末调研考试数学试题
解题方法
2 . 已知椭圆C:
(
)左,右焦点分别为
,
,离心率
,点
在椭圆C上.
(1)求椭圆C的方程.
(2)若A,B为椭圆C上的两个动点,过
且垂直x轴的直线平分
,证明:直线
过定点.
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f0bebb4cada94325018a8ed9109598.png)
(1)求椭圆C的方程.
(2)若A,B为椭圆C上的两个动点,过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efdd3eb5166d30689e3caccb1091a72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
您最近一年使用:0次
名校
解题方法
3 . 在平面直角坐标系
中,已知椭圆
经过点
,直线
与
轴交于点
,过
的直线
与
交于
两点(异于
),记直线
和直线
的斜率分别为
.
(1)求
的标准方程;
(2)求
的值;
(3)设直线
和直线
的交点为
,求证:
在一条定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec30037a621b23ade12cf58e42c4059.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/dad2a36927223bd70f426ba06aea4b45.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/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8533b4c6574df4f59b2ecc99e5c458db.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e3016db8a12fd848e8c4b93c11070d.png)
(3)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2024-01-29更新
|
555次组卷
|
3卷引用:江苏省苏州市2024届高三上学期学业质量阳光指标调研数学试题
江苏省苏州市2024届高三上学期学业质量阳光指标调研数学试题山东省东营市第一中学2023-2024学年高二下学期开学收心考试数学试题(已下线)2.2.2 椭圆的性质(十八大题型)(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)
名校
解题方法
4 . 椭圆
的离心率为
,且经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd86f94dec7de4d01c63a43ed6744cb.png)
(1)求椭圆方程
(2)点A为椭圆的上顶点,过点
的直线l交椭圆于P,Q两点,直线AP,AQ分别交x轴于点M,N,若
,求直线l的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd86f94dec7de4d01c63a43ed6744cb.png)
(1)求椭圆方程
(2)点A为椭圆的上顶点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dbb5fae7677efea8ea5ea5cdb369b1.png)
您最近一年使用:0次
2024-01-19更新
|
407次组卷
|
2卷引用:江苏省无锡市南菁高级中学2024届高三上学期期末模拟数学试题
解题方法
5 . 已知椭圆E:
,点
和点
在椭圆E上.
(1)求椭圆E的方程;
(2)设P是椭圆上一点(异于C,D),直线
与x轴分别交于M,N两点.证明:在x轴上存在两点A,B,使得
·
是定值,并求此定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64196fcc78c3d4e076339b262ad91dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c359428c771c67617872618f54c9930f.png)
(1)求椭圆E的方程;
(2)设P是椭圆上一点(异于C,D),直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e7344dca1e40bf072371ddd5640111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42518891f8d7c97b5fb700de3440257b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c75706042f99400e482b44fa8566d33.png)
您最近一年使用:0次
2024-01-06更新
|
384次组卷
|
3卷引用:江苏省2024届高三上学期期末迎考数学试题
2023·全国·模拟预测
6 . 已知椭圆C:
的左焦点为
,点
在C上.
(1)求椭圆C的标准方程.
(2)过F的两条互相垂直的直线分别交C于A,B两点和P,Q两点,若线段AB,PQ的中点分别为M,N,且过F作直线MN的垂线,垂足为D,证明:存在定点H,使得
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030700126fb012f13935f57780b96677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f21c7162941d2b54ebafb1795599195.png)
(1)求椭圆C的标准方程.
(2)过F的两条互相垂直的直线分别交C于A,B两点和P,Q两点,若线段AB,PQ的中点分别为M,N,且过F作直线MN的垂线,垂足为D,证明:存在定点H,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/053ea06ff36d8af0710f9f80dae27e5a.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
的离心率为
,且点
在椭圆
上.
(1)求椭圆
的标准方程;
(2)斜率为正数
且不过原点的直线
交椭圆
于
两点,线段
的中点为
,射线
交椭圆
及直线
分别于点
和点
,且
.证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04443a0c1cf4808aea741c9f9379b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3230e05b8cbfc2abb93f39941c91ce37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)斜率为正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5681ab21c52a2bcf314220431c777945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
解题方法
8 . 已知椭圆
过点
,且焦距为
.
(1)求椭圆
的方程;
(2)过直线
(不经过点
交椭圆
于点
,
,试问直线
与直线
的斜率之和为
,求证:
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a18deb8273ee656d1261766b469ee2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a252d8c461cf65a0b831690cd431307f.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/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-03-16更新
|
484次组卷
|
2卷引用:江苏省南京大学附属中学2022-2023学年高二上学期期末数学试题
解题方法
9 . 已知椭圆
的右焦点F和抛物线
的焦点重合,且
和
的一个公共点是
.
(1)求
和
的方程;
(2)过点F作直线l分别交椭圆于A,B,交抛物线
于P,Q,是否存在常数
,使
为定值?若存在,求出
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e48d1edbfb6a5a48f9a95551d1dbc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c9c87eba774f6bc072663d32d11fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5b4d0583e8b68caf2125d0b4ce6a2c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过点F作直线l分别交椭圆于A,B,交抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc54b41f06056335b2d6a19738d23341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
22-23高二上·江苏南通·期末
名校
解题方法
10 . 已知
为椭圆
上一点,上、下顶点分别为
、
,右顶点为
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/71d79a88-98fd-4d06-aa2b-7a3450f4fedd.png?resizew=181)
(1)求椭圆
的方程;
(2)点
为椭圆
上异于顶点的一动点,直线
与
交于点
,直线
交
轴于点
.求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea8a480a2fe03293cb8303da8837d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2fcfb667764b3b5e97feeecc43ea87.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/28/71d79a88-98fd-4d06-aa2b-7a3450f4fedd.png?resizew=181)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe1a6ce0b35896c8a1c687a4376e71f6.png)
您最近一年使用:0次
2023-01-20更新
|
847次组卷
|
7卷引用:江苏省南通市如皋市2022-2023学年高二上学期期末数学试题
(已下线)江苏省南通市如皋市2022-2023学年高二上学期期末数学试题江苏省南京市第一中学2023-2024学年高二上学期10月月考数学试题江苏省南京市第一中学2023-2024学年高二上学期10月月考数学试题江苏省无锡市锡东高级中学2023-2024学年高二上学期期中数学试题(已下线)北京市海淀区2022届高三一模数学试题变式题17-21(已下线)第五篇 向量与几何 专题9 完全四点形的调和性 微点2 完全四点形的调和性综合训练四川省遂宁安居育才卓同学校2023届高三第四次强化训练理科数学试题