名校
解题方法
1 . 已知
为椭圆
:
上的点,
,
分别是椭圆
的左右焦点,
为坐标原点.
(1)若
为椭圆的上顶点,且
,
的面积等于
,求椭圆的标准方程;
(2)若
为等边三角形,求椭圆
的离心率.
![](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/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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c043d5e847c15f00af2c4633949680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78f7af0a9c625c87e1e06994b8c2d10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
2 . 已知椭圆
:
.
(1)求椭圆
的焦点坐标和离心率;
(2)求通过
点且被点
平分的弦所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40a0b3348d0db2346c45270dc174301.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求通过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
您最近一年使用:0次
2020-12-09更新
|
1054次组卷
|
4卷引用:福建省安溪一中、养正中学、惠安一中、泉州实验中学2020-2021学年高二上学期期中联考数学试题
名校
解题方法
3 . 已知椭圆C:
(a>b>0)的两个焦点分别为F1、F2,短轴的一个端点为P.
(1)若∠F1PF2为直角,焦距长为2,求椭圆C的标准方程;
(2)若∠F1PF2为钝角,求椭圆C的离心率的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
(1)若∠F1PF2为直角,焦距长为2,求椭圆C的标准方程;
(2)若∠F1PF2为钝角,求椭圆C的离心率的取值范围.
您最近一年使用:0次
2020-11-28更新
|
1786次组卷
|
10卷引用:江苏省南通市启东市2020-2021学年高二上学期期中数学试题
江苏省南通市启东市2020-2021学年高二上学期期中数学试题(已下线)练习7+椭圆-2020-2021学年【补习教材·寒假作业】高二数学(苏教版)黑龙江省齐齐哈尔市讷河市拉哈一中2020-2021学年高二下学期3月月考数学(文)试题江苏省扬州中学2021-2022学年高二上学期10月月考数学试题河北省深州市长江中学2021-2022学年高二上学期12月月考数学试题内蒙古呼伦贝尔市满洲里远方中学2021-2022学年高二下学期期末考试数学(理)试题四川省成都外国语学校2022-2023学年高二上学期期中考试数学(文)试题四川省成都外国语学校2022-2023学年高二上学期期中考试数学(理)试题湖南省怀化市雅礼实验学校2022-2023学年高二上学期第一次月考数学试题(已下线)3.1.2 椭圆的简单几何性质【第二练】“上好三节课,做好三套题“高中数学素养晋级之路
解题方法
4 . 求椭圆
的长轴长、短轴长、焦距、焦点坐标、顶点坐标和离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78847dd23bb54d5d960016e6beeb5713.png)
您最近一年使用:0次
解题方法
5 . 已知
、
分别是椭圆
的左右顶点,
、
是分别是上下顶点,且
为等边三角形,
是
上异于
、
的一点.
(1)求椭圆
的离心率;
(2)证明:直线
与直线
的斜率的积为定值,并求出该定值.
![](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/e7e5578ca83f5bd5c285994061b9c015.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/7ac451db3443cabb204f96c31fd4a02e.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
您最近一年使用:0次
2020-11-13更新
|
1070次组卷
|
3卷引用:贵州省凯里市第三中学2021届高三上学期第二次月考数学(理)试题
解题方法
6 . 已知
,
是椭圆
的左、右焦点.
(1)求椭圆C的焦点坐标和离心率;
(2)过椭圆C的左顶点A作斜率为1的直线l,l与椭圆的另一个交点为B,求
的面积.
![](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/e69daca955a565fa537347dd0d93783f.png)
(1)求椭圆C的焦点坐标和离心率;
(2)过椭圆C的左顶点A作斜率为1的直线l,l与椭圆的另一个交点为B,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9116e096dea74380db2b76e5de6b47c2.png)
您最近一年使用:0次
2020-11-06更新
|
379次组卷
|
3卷引用:北京市丰台区 2019—2020学年 高二下学期期末练习数学试题
名校
解题方法
7 . 已知椭圆
:
过点
,过坐标原点
作两条互相垂直的射线与椭圆
分别交于
,
两点.
(1)求当
取得最小值时,椭圆
的离心率及此时椭圆的方程.
(2)若椭圆
的焦距为2,是否存在定圆与直线
总相切?若存在,求定圆的方程;若不存在,请说明理由.
![](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/ea2de52259b426acb42761fec59a7748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311dbbc95c35e023fb721d53c8dfc2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
名校
解题方法
8 . 设椭圆
的左、右焦点分别为
,
、
,
,点
在椭圆上,
为原点.
(1)若
,
,求椭圆的离心率;
(2)若椭圆的右顶点为
,短轴长为2,且满足
为椭圆的离心率).
① 求椭圆的方程;
② 设直线
:
与椭圆相交于
、
两点,若
的面积为1,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd4e3227d60d9c7409c4d3c62fcf368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d0865875bff7919f7b59d91c9f4403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2866770af49aa59824d02e47e3acdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418cc93b54bed0d013e757e0bfb70388.png)
(2)若椭圆的右顶点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed03d8ab2c71ca094cbc2630edb36fb.png)
① 求椭圆的方程;
② 设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d8041c797b98b834c70dbf7d1d4346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
9 . 设椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
左焦点为
,过点
的直线
与椭圆
交于
两点,直线
的倾斜角为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2171a7e806dc496b06bfe0a3a043e1.png)
(1)求椭圆
的离心率;
(2)若
,求椭圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2171a7e806dc496b06bfe0a3a043e1.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8639d274ec7416566696dd81f7beaebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
解题方法
10 . 如图在平面直角坐标系
中,已知椭圆
,
,椭圆
的右顶点和上顶点分别为A和B,过A,B分别引椭圆
的切线
,
,切点为C,D.
![](https://img.xkw.com/dksih/QBM/2020/8/8/2523556463763456/2524881597308928/STEM/f9c14591397040a09d56bfe94cf3a170.png?resizew=238)
(1)若
,
,求直线
的方程;
(2)若直线
与
的斜率之积为
,求椭圆
的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cd361ce118bca96a731b241a9c587d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21185f9d41c373b8dc5d2c7e85bd34d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://img.xkw.com/dksih/QBM/2020/8/8/2523556463763456/2524881597308928/STEM/f9c14591397040a09d56bfe94cf3a170.png?resizew=238)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e1bb189df5a70eaca676f99aeb5b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
2020-08-10更新
|
362次组卷
|
3卷引用:江苏省南通市名师2020届高三下学期最后一卷数学试题
江苏省南通市名师2020届高三下学期最后一卷数学试题江苏省南通市如皋一中2020届高三下学期原创押题卷数学试题(已下线)3.1 椭圆-2021-2022学年高二数学尖子生同步培优题典(人教A版2019选择性必修第一册)