名校
1 . 如图,椭圆
的左、焦点分别为
,点
是
上一点,过
的直线交
于
,
两点,且
,
,
,则椭圆
的离心率为( )
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958536559230976/2962065050288128/STEM/0486b4fa199c458fbb2d51075efa6046.png?resizew=322)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102cebe878145cd0e551f4cb72c726ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc8a579082dd36e14d124073acb56b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279e68d9a069b2dceb1168b7776b28ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958536559230976/2962065050288128/STEM/0486b4fa199c458fbb2d51075efa6046.png?resizew=322)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:浙江省衢温“5+1”联盟2021-2022学年高一(创新班)下学期期中联考数学试题
解题方法
2 . 已知点A是椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的左顶点,过点A且斜率为
的直线
与椭圆
交于另一点
(点
在第一象限).以原点
为圆心,
为半径的圆在点
处的切线与
轴交于点
.若
,则椭圆
离心率的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/dad2a36927223bd70f426ba06aea4b45.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/3f645d4b09fba53f971172cd2602c691.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b32a39d07355dfa0395400f28b218cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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|
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3卷引用:2022年7月浙江省高中数学联赛全真模拟六校联考试题
名校
3 . 设
为坐标原点,
,
是椭圆
(
)的左、右焦点,若在椭圆上存在点
满足
,且
,则该椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db634c178cd7bffbd4cb886e3f2cca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae19ce79571ded9dd255c929afd9fd1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:【新东方】高中数学20210304-005
4 . 已知椭圆
的左、右焦点分别为
,
,上、下顶点分别是
,
,点C在椭圆上,且
,则椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fde086164d19fedb979ef3a877515e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知椭圆C的方程为
,过右焦点F且倾斜角为
的直线与椭圆C交于A,B两点,线段
的垂直平分线分别交直线
和
于点P和M,若
,则椭圆C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948261c41cc1509f023761d880c75582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0baa7515ebccfba41029bb71a42bf9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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19-20高一·浙江·期末
名校
解题方法
6 . 设
分别是椭圆
和双曲线
的公共焦点,P是它们的一个公共点,且
,线段
的垂直平分线经过点
,若
和
的离心率分别为
,则
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/51cbf0a11d1ec5a1de4275c05eb580b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/f994a876391534efe497dc115a53e3fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2770478f4c5e9339f84a0c39c66a4e59.png)
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10卷引用:【新东方】419
(已下线)【新东方】419浙江省百校2020-2021学年高三上学期12月联考数学试题(已下线)热点09 解析几何-2020年高考数学(理)【热点·重点·难点】专练四川省眉山市2020-2021学年高二上学期期末考试数学(文)试题江苏省南京市大厂高级中学2020-2021学年高三上学期1月阶段学情调研数学试题宁夏育才中学2021-2022学年高二上学期期中考试数学(理)试题江苏省江浦高级中学(文昌校区)、秦淮中学、玄武高级中学2022-2023学年高二上学期10月学情调研数学试题江苏省南京市2022-2023学年高二上学期10月学情调研数学试题河南省鹤壁市高中2022-2023学年高二上学期10月居家测试数学(平行班)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
解题方法
7 . 椭圆
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9776de993951025bdcaac8c7cdff8e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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解题方法
8 . 如图,两个离心率相等的椭圆
与椭圆
,焦点均在x轴上A,B分别为椭圆
的右顶点和上顶点,过A,B分别作椭圆
的切线AC,BD,若AC与BD的斜率之积为
,则椭圆
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82a5421934348a612982ca099723b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4455cb5ef8fa02f8740a01ea658ed7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4455cb5ef8fa02f8740a01ea658ed7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82a5421934348a612982ca099723b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9237f95cb63d2e280e2ce8a4c5797255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82a5421934348a612982ca099723b63.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/2e501bd7-e0bd-4501-8f01-eb270d83ceff.png?resizew=177)
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2020高三·全国·专题练习
名校
解题方法
9 . 设椭圆的两个焦点分别为
、
,过
作椭圆长轴的垂线交椭圆于点
,若
为等腰直角三角形,则椭圆的离心率是
( )
![](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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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|
6卷引用:【新东方】高中数学20210304-004
(已下线)【新东方】高中数学20210304-004(已下线)专题49 椭圆、双曲线、抛物线(同步练习)-2021年高考一轮数学(文)单元复习一遍过安徽省宿州市泗县第一中学2020-2021学年高二上学期第二次月考数学(文)试题(已下线)专题52 椭圆、双曲线、抛物线(同步练习)-2021年高考一轮数学(理)单元复习一遍过云南省丽江市第一高级中学2020-2021学年高二12月月考数学试题(已下线)选择性必修第一册综合复习与测试02-2021-2022学年高二数学课后培优练(人教A版2019选择性必修第一册)
名校
解题方法
10 . 过椭圆
的右焦点作
轴的垂线,交椭圆
于
两点,直线
过
的左焦点和上顶点,若以
为直径的圆与
存在公共点,则椭圆
的离心率的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2020-11-28更新
|
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7卷引用:【新东方】杭州新东方数学试卷409
(已下线)【新东方】杭州新东方数学试卷409浙江省宁波市效实中学2020-2021学年高二上学期期中数学试题(已下线)专题2.2 椭圆-2020-2021学年高二数学课时同步练(苏教版选修2-1)(已下线)专题2.2 椭圆-2020-2021学年高二数学课时同步练(苏教版选修1-1)人教B版(2019) 选修第一册 过关检测 第二章 专题3 椭圆中的综合问题(已下线)第01讲 椭圆(讲)四川省眉山市仁寿县2023-2024学年高二上学期1月期末模拟联考数学试题