名校
解题方法
1 . 已知焦点在
轴上的椭圆
被直线
截得的弦的中点横坐标为
,则正数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317fe121b3adefdd87961c9c34f299d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc568fbc1480ba87cfdc2b6b3c71200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2023-05-05更新
|
374次组卷
|
6卷引用:上海市第三女子中学2022-2023学年高二下学期期中数学试题
上海市第三女子中学2022-2023学年高二下学期期中数学试题(已下线)专题08 椭圆(三大核心考点七种题型)-【寒假自学课】2024年高二数学寒假提升学与练(沪教版2020)(已下线)专题11圆锥曲线单元复习与测试(21个考点25种题型)-【寒假自学课】2024年高二数学寒假提升学与练(沪教版2020)(已下线)第12讲 第三章 圆锥曲线的方程 章末重点题型大总结(1)(已下线)3.1.2 椭圆的几何性质(2)(已下线)3.1.2 椭圆的简单几何性质(10大题型)精练-【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)
2 . 已知椭圆
,
的离心率相同.点
在椭圆
上,
、
在椭圆
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/5f2eb408-6fd8-4e7d-9bb3-bc7b6dc6159b.png?resizew=207)
(1)若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517cc345e3e8a3c9405c0e240d8ca011.png)
求点
的轨迹方程;
(2)设
的右顶点和上顶点分别为
、
,直线
、
分别是椭圆
的切线,
、
为切点,直线
、
的斜率分别是
、
,求
的值;
(3)设直线
、
分别与椭圆
相交于
、
两点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d424a04295723f4a974c4428950bd06.png)
若
是
中点,求证:
、
、
三点共线(
为坐标原点).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c845a5c4ab840aceef677fbe2b0cf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ecc27514f0e4af04106cf02c40c3b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/5f2eb408-6fd8-4e7d-9bb3-bc7b6dc6159b.png?resizew=207)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517cc345e3e8a3c9405c0e240d8ca011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4c8b6a3a27a6713d62b8206151f838.png)
(3)设直线
![](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/0b4f150ab98bde511e0f65d9bafab031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d424a04295723f4a974c4428950bd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2022-11-19更新
|
459次组卷
|
2卷引用:上海市杨浦区复旦大学附属中学2022-2023学年高二上学期期中数学试题
3 . 如图,
为坐标原点,椭圆
的左、右焦点分别为
、
,离心率为
;双曲线
的左、右焦点分别为
、
,离心率为
,已知
, 且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f945afe463ab6afb499e7dcd1d4dd16.png)
过
作
的不垂直于
轴的弦
,
为
的中点,直线
与
交于
、
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/0686572b-6773-4e4a-a4ab-9d1008bebbfc.png?resizew=205)
(1)求
、
的方程;
(2)若四边形
为平行四边形,求直线
的方程;
(3)求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e48d1edbfb6a5a48f9a95551d1dbc2.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/d33558881906c228c262ff8024dcfc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e376b48dacaa422f4d21afe48c32523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1282962a17a48a18edf733204054d67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/287adcb739a4890d108dd974358345fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e749c051ebeba72d9873b4f31c8ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f945afe463ab6afb499e7dcd1d4dd16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/0686572b-6773-4e4a-a4ab-9d1008bebbfc.png?resizew=205)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff0f5c1f2848aa7bf1de0aeb7e5096b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31809ce2093b2f7cd9b11a89d882c34.png)
您最近一年使用:0次
名校
解题方法
4 . 已知直线
与椭圆
交于
两点,且
的中点为
,则直线
的斜率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd674fe26ed8aa9cf7a7e36a777ccbc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e4e4c7a79d9d3cdb9ac5949d53e33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f8008852291c3b976dec8e6fd3de9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
您最近一年使用:0次
2022-10-18更新
|
567次组卷
|
3卷引用:上海市闵行中学2022-2023学年高二上学期期中数学试题
名校
解题方法
5 . 已知直线
交椭圆
于
两点,且线段
的中点为
,则直线
的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4c5ff939c836229c3fc0800a1d9fea.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/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2022-05-08更新
|
814次组卷
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4卷引用:上海市行知中学2021-2022学年高二下学期期中数学试题
上海市行知中学2021-2022学年高二下学期期中数学试题天津市第二南开学校2022-2023学年高二上学期期中数学试题(已下线)9.2 椭圆(精练)(提升版)-2(已下线)10.3 椭圆(精练)(基础版)-2
名校
解题方法
6 . 已知椭圆
的半焦距为
,且
,若椭圆
经过
两点,且
是圆
的一条直径,则直线
的方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe8fff55c06f220725f4124e45a1e89.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9956cda59b9e43458613bc2289fca68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-11-15更新
|
280次组卷
|
4卷引用:上海市复旦大学附属中学2020-2021学年高二上学期期中数学试题
上海市复旦大学附属中学2020-2021学年高二上学期期中数学试题(已下线)专题3.2 圆锥曲线【易错题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)(已下线)期中考试重难点专题强化训练(4)——直线与圆锥曲线的综合运用-2021-2022学年高二数学单元卷模拟(易中难)(2019人教A版选择性必修第一册+第二册)上海市青浦高级中学2022-2023学年高二上学期12月质量检测数学试题
名校
解题方法
7 . 椭圆
的弦
中点为
,则直线
的方程___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d12ebd10f6c0bcf98be52c32b107f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d25e70d37af93796965efc8d342185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
8 . 如图,设椭圆
两顶点
,短轴长为4,焦距为2,过点
的直线
与椭圆交于
两点.设直线
与直线
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/553b7693-b973-44d9-9e38-5580c79f8bab.png?resizew=175)
(1)求椭圆的方程;
(2)求线段
中点
的轨迹方程;
(3)求证:点
的横坐标为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb223b8777ab973970491bf0dcc6806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b196ab06c60bf1733dba744d34315b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c153027427477bcd0a7228b14ce96cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.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/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/553b7693-b973-44d9-9e38-5580c79f8bab.png?resizew=175)
(1)求椭圆的方程;
(2)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(3)求证:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
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2020-01-21更新
|
368次组卷
|
2卷引用:2018届上海市大同中学高三上学期期中数学试题
名校
9 . 过点
的直线
交椭圆
于
两点,若
恰是线段
的中点,则直线
的方程为__________________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdcfc71b422a73d7110b17e57c0e161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f4b244b3b0799cfb1994364036eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-11-13更新
|
382次组卷
|
2卷引用:上海市第四中学2018-2019学年高二上学期期中数学试题
13-14高二上·辽宁沈阳·阶段练习
名校
解题方法
10 . 若椭圆
的弦被点
平分,则此弦所在直线的斜率为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7315208b83923a2bddaae013f7a6e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081cd41dab0f2a8f84b0e9f1df4843fb.png)
您最近一年使用:0次
2016-12-02更新
|
3342次组卷
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12卷引用:上海市大同中学2022-2023学年高二下学期期中数学试题
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