名校
1 . 设椭圆
的右焦点为
,椭圆
上的两点
关于原点对称,且满足
,则椭圆
的离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/6d8f652be96377a60c046a36385bf5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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21卷引用:江西省南昌市第十中学2019-2020学年高二上学期10月月考数学试题
江西省南昌市第十中学2019-2020学年高二上学期10月月考数学试题【全国市级联考】湖南师范大学附属中学2018届高三月考(六)数学理试题(已下线)2019年11月19日《每日一题》选修2-1理数-椭圆的离心率及其取值范围(已下线)2019年11月19日《每日一题》选修1-1文数-椭圆的离心率及其取值范围江苏省南通市南通第一中学2019-2020学年高二上学期期中抽测(二)数学试题(已下线)专题9.5 椭圆(练)【理】-《2020年高考一轮复习讲练测》重庆市杨家坪中学2019-2020学年高二上学期第二次月考数学试题2020届黑龙江省实验中学高三上学期期末考试数学(理)试题(已下线)第十八篇离心率01—2020年高考数学选填题专项测试(文理通用)浙江省宁波市镇海中学2018届高三下学期5月模拟考试数学试题浙江省宁波市镇海中学2020届高三下学期5月模拟数学试题(已下线)考点40 曲线与方程-备战2021年高考数学(文)一轮复习考点一遍过 (已下线)考点42 曲线与方程-备战2021年高考数学(理)一轮复习考点一遍过(已下线)第37练 椭圆-2021年高考数学(文)一轮复习小题必刷安徽省六安市舒城中学2020-2021学年高二上学期第三次月考数学(理)试题(已下线)专题06 平面向量(测)-2021年高考数学二轮复习讲练测(文理通用)(已下线)【新东方】高中数学20210429—002【2020】【高二上】福建省泉州市2021-2022学年高二上学期期中联考数学试题湖南省长沙市浏阳市2022-2023学年高二上学期期末数学试题(已下线)第3章 圆锥曲线的方程(基础、典型、易错、新文化、压轴)(2)福建省永定第一中学2023-2024学年高二上学期期中模拟考试数学试题
2 . 设椭圆
的左右焦点分别为
、
,上下顶点分别为
、
,直线
与该椭圆交于
、
两点.若
,则直线
的斜率为
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859b04476d9a79f7373787803b67b199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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4卷引用:江西省南昌市2022-2023学年高二上学期末质量检测数学模拟试题
江西省南昌市2022-2023学年高二上学期末质量检测数学模拟试题(已下线)第十六篇椭圆01—2020年高考数学选填题专项测试(文理通用)(已下线)专题40 盘点圆锥曲线中的焦点三角形问题——备战2022年高考数学二轮复习常考点专题突破吉林省长春市第六中学2023-2024学年高二上学期第二学程(11月期中)考试数学试题
名校
3 . 已知椭圆
的左右焦点分别
,
,焦距为4,若以原点为圆心,
为直径的圆恰好与椭圆有两个公共点,则此椭圆的方程为( )
![](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/643ef7d761de0e794fc39937dc72ac6a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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|
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名校
4 . 已知
,
为椭圆
:
的左右焦点,过原点
的直线
与椭圆
交于
,
两点,若
,
,
,则
( ).
![](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/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/288060bacca802a86ff209ddfd412e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd94f2e77457e29f2a9aca3caec6a68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b1b96f5050de3bc7ae53c7bf0c21e8.png)
A.36 | B.12 | C.10 | D.8 |
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5 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
被椭圆
截得的弦长为7,则下列直线中被椭圆
截得的弦长一定为7的有
①
②
③
④ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab0906bff33675959408a1d1b6fa823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650353eda77d014bb42d185bd967e549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceae2195a53fbdefb4539e04326b232a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab0906bff33675959408a1d1b6fa823.png)
A.1条 | B.2条 | C.3条 | D.4条 |
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|
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2卷引用:江西省南昌市第二中学2019-2020学年高二上学期10月月考数学(文)试题
6 . 已知椭圆
,
为坐标原点,
是椭圆上两点,
的斜率存在并分别记为
、
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25687f82f224518086a4e5cad21d48a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a5e484dfef494d27bc35ae7b8cf75d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8fe7e29e32d3d529957d62fe37350e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ac42906a2f4da22b764e76fef60c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3af31ea41c95a92aeda98e30d065635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b337c93f29459c8f59a0e1cf2d94e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
7 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
被椭圆
截得的弦长为2017,则下列直线中被椭圆
截得的弦长一定为2017的有
①
②
③
④ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab0906bff33675959408a1d1b6fa823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650353eda77d014bb42d185bd967e549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceae2195a53fbdefb4539e04326b232a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab0906bff33675959408a1d1b6fa823.png)
A.1条 | B.2条 | C.3条 | D.4条 |
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|
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|
2卷引用:江西省南昌市第二中学2017-2018学年高二上学期期中考数学(文)试题
名校
8 . 椭圆
的左右焦点分别为
,过
的直线与椭圆交于
两点,点
关于
轴的对称点为点
,则四边形
的周长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2936d1e90aa6bf50ac46ca00ae3eb12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8643a54b40effc4260228ff03e2d6d3.png)
A.6 | B.![]() | C.12 | D.![]() |
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2017-11-15更新
|
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6卷引用:江西省南昌市东湖区第十中学2019-2020学年高二上学期期中数学试题
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解题方法
9 . 能够把椭圆
的周长和面积同时分为相等的两部分的函数
称为椭圆
的“亲和函数”,下列函数是椭圆
的“亲和函数”的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97626607323a7c28900ecf4da111b08b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 能够把椭圆
:
的周长和面积同时分为相等的两部分的函数
称为椭圆
的“亲和函数”,下列函数是椭圆
的“亲和函数”的是
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791391243902976/1791731118931968/STEM/c016b1e2ddfd443e986674a21a5e6c5f.png?resizew=16)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b3a4a566ee5e259fec5b084635ff25.png)
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791391243902976/1791731118931968/STEM/97576386920e45b5a07e403c68255c49.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791391243902976/1791731118931968/STEM/86955c2386c846568029690b97c04b6a.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2017/10/9/1791391243902976/1791731118931968/STEM/86955c2386c846568029690b97c04b6a.png?resizew=16)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-10-09更新
|
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4卷引用:江西省抚州市临川区第一中学2017-2018学年高二上学期第一次月考数学(文)试题