名校
1 . 已知椭圆
的离心率
,上顶点的坐标为
,右顶点为
为
上横坐标为1的点,直线
与
轴交于点
为坐标原点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/075ba8c6fb5ef7288cd3fed425c8e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff571c72c041d8668b4d2754679f64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8255e035cfd3c2e84f10b236b6fd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeac5175101c8d3fbdefea179f41c992.png)
A.1 | B.![]() | C.![]() | D.![]() |
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2024-04-24更新
|
491次组卷
|
3卷引用:陕西省安康市高新中学、安康中学高新分校2023-2024学年高三阶段性测试(八)理科数学试题
解题方法
2 . 已知椭圆
,直线
与椭圆
交于
两点(
点在
点上方),
为坐标原点,以
为圆心,
为半径的圆在点
处的切线与
轴交于点
,若
,则
的离心率的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85407d07330a07fa188d3a63dd89aa97.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a82596d3e0eea2ea14448e3ede29c2.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98fa0eab31f7ae82aeb8ad0b5f9600fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
22-23高二·江苏·假期作业
解题方法
3 . 已知椭圆E:
与直线
相交于A,B两点,O是坐标原点,如果
是等边三角形,那么椭圆E的离心率等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9bebea391a1f9956dfcca98d9d1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af79f45b5880c72a349500da9d8e118d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a9354a07397b21c33820fc2590e814.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-08-19更新
|
784次组卷
|
5卷引用:陕西省榆林市第十中学2023-2024学年高二上学期期中数学试题
陕西省榆林市第十中学2023-2024学年高二上学期期中数学试题(已下线)第11讲 椭圆的几何性质-【暑假自学课】2023年新高二数学暑假精品课(苏教版2019选择性必修第一册)(已下线)3.1.2 椭圆的几何性质(1)(已下线)专题3-1 椭圆离心率10种题型归类(讲+练)-【巅峰课堂】2023-2024学年高二数学热点题型归纳与培优练(人教A版2019选择性必修第一册)(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)
解题方法
4 . 已知椭圆
的左、右焦点分别为
,过
作垂直于
轴的直线,在第二象限分别交
及圆
于点
,若
为
的中点,
为
的上顶点,则
( )
![](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/f5076289823db419f94e9c0c8f4aafd9.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/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](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/c406c942d1cf93b68e69842743520578.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-21更新
|
304次组卷
|
5卷引用:陕西省汉中市镇巴县2022-2023学年高二下学期期末理科数学试题
陕西省汉中市镇巴县2022-2023学年高二下学期期末理科数学试题河南省商丘市2022-2023学年高二下学期6月月考数学试题(已下线)第20讲 椭圆的简单几何性质10种常见考法归类(3)河南省商丘市部分学校2022-2023学年高二下学期6月摸底考试数学试题(已下线)专题3.1 椭圆(5个考点十四大题型)(4)
名校
解题方法
5 . 椭圆
的左右两焦点分别为
,
,过
垂直于x轴的直线交C于A,B两点,
,则椭圆C的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91a415639e4af57844a9d9fa1dbd98f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-01-28更新
|
550次组卷
|
3卷引用:陕西省渭南市瑞泉中学2023-2024学年高二上学期第一次质量检测数学试题
2021高二·江苏·专题练习
名校
6 . 已知两定点
,
,直线
:
,在
上满足
的点
的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242dc4cf2720b503e26ec8017d31444f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bbde2076bfa6dd859f7787e155ab8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2f4a9558e7322268b0cac11c9d9739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07c09f38554cc653dcc40da316d316ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.0 | B.1 | C.2 | D.0或1或2 |
您最近一年使用:0次
2021-11-30更新
|
463次组卷
|
4卷引用:陕西省西安交通大学附属中学雁塔校区2023届高三高考前最后一卷理科数学试题
陕西省西安交通大学附属中学雁塔校区2023届高三高考前最后一卷理科数学试题(已下线)3.1 椭圆-2021-2022学年高二数学同步精品课堂讲+例+测(苏教版2019选择性必修第一册)四川省攀枝花市第七高级中学校2021-2022学年高二上学期第二次月考数学(理)试题四川省攀枝花市第七高级中学校2021-2022学年高二上学期第二次月考数学(文)试题
7 . 如图所示,A与B分别为
的上顶点与下顶点,F为该椭圆的左焦点,连接AF并延长交椭圆于C点,连接CB,过A作AE∥BC交椭圆于E点,若抛物线
恰好经过E点,则
( )
![](https://img.xkw.com/dksih/QBM/2021/4/1/2690552779120640/2808505135882240/STEM/d32ab122-a7ab-4ea8-a1f1-96c429be595d.png?resizew=282)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://img.xkw.com/dksih/QBM/2021/4/1/2690552779120640/2808505135882240/STEM/d32ab122-a7ab-4ea8-a1f1-96c429be595d.png?resizew=282)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-19更新
|
438次组卷
|
5卷引用:陕西省安康市汉滨区七校2021-2022学年高二下学期期末联考文科数学试题
陕西省安康市汉滨区七校2021-2022学年高二下学期期末联考文科数学试题浙江省金华市浙江师大附属东阳花园外国语学校2020-2021学年高二下学期第一次质量检测数学试题2021年浙江省普通高中学业水平模拟考试数学试题(已下线)专题3.3 圆锥曲线与方程 章末检测3(难)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(苏教版2019选择性必修第一册)(已下线)专题7.3 期末押题检测卷(考试范围:选择性必修第一册)3(难)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(苏教版2019选择性必修第一册)
8 . 已知点
是椭圆
:
的左顶点,过点
作圆
:
的切线,切点为
,若直线
恰好过椭圆
的左焦点
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8077b32ca02648ca70a1c5d7a17b462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/a5f5d967ad135991b6075ee45df55643.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.12 | B.13 | C.14 | D.15 |
您最近一年使用:0次
名校
9 . 已知
是椭圆
的左、右焦点,点
,则∠
的角平分线的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914075a4574c09bdb860d8f8f09a4e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e81b6958051a614ac78df0a77cb3cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb09cc199607f465889b7c194161484.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-08-01更新
|
445次组卷
|
5卷引用:陕西省西安市长安区第五中学2019届高三上学期期中考试数学(理)试题