1 .
、
为椭圆
的左、右焦点,
为短轴的一个端点,连接
并延长交椭圆于
点,则
的面积为( )
![](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/8e88ab2f7f0cc281e62fbc7e920e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635a0150fe965ced8935d7479b22c508.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知椭圆
的离心率e满足
,右顶点为A,上顶点为B,点C(0,-2),过点C作一条与y轴不重合的直线l,直线l交椭圆E于P,Q两点,直线BP,BQ分别交x轴于点M,N;当直线l经过点A时,l的斜率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/b806494e-d0eb-4a80-97dd-9b20b9f2691d.png?resizew=202)
(1)求椭圆E的方程;
(2)证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4168f0c32d668de9e343f3bad8acc5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/b806494e-d0eb-4a80-97dd-9b20b9f2691d.png?resizew=202)
(1)求椭圆E的方程;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ff357d3172b0de1d51b059d8540c08.png)
您最近一年使用:0次
2020-01-15更新
|
799次组卷
|
11卷引用:山东省泰安市2019-2020学年高三上学期期末数学试题
山东省泰安市2019-2020学年高三上学期期末数学试题(已下线)2020年秋季高三数学开学摸底考试卷(新高考)02(已下线)考点27 椭圆的综合问题-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)(已下线)第05章+椭圆(B卷提升卷)-2020-2021学年高二数学上学期同步单元AB卷(苏教版,新课改地区专用)(已下线)黄金卷05 【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(广东专用)(已下线)专题6.2 椭圆的性质与应用-备战2021年高考数学精选考点专项突破题集(新高考地区)(已下线)数学-2021年高考考前20天终极冲刺攻略(二)(新高考地区专用)【学科网名师堂】 (5月28日)(已下线)预测10 圆锥曲线中的综合性问题-【临门一脚】2021年高考数学三轮冲刺过关(新高考专用)【学科网名师堂】(已下线)专题44 盘点圆锥曲线中的定值问题——备战2022年高考数学二轮复习常考点专题突破(已下线)第五篇 向量与几何 专题8 帕斯卡定理、布列安桑定理、笛沙格定理、彭塞列闭合定理 微点3 笛沙格定理、彭塞列闭合定理山东省潍坊市昌乐第一中学2024届高三上学期模拟监测数学试题
名校
3 . 已知椭圆
的焦距为
,短轴长为
.
(1)求
的方程;
(2)若直线
与
相交于
、
两点,求以线段
为直径的圆的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00cd04fab011e0956e347264ef4bf5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb9ad1e34877b0db02d0219332b0f7b.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-01-12更新
|
2443次组卷
|
11卷引用:陕西省商洛市考试高三上学期期末教学质量检测数学(理)试题
陕西省商洛市考试高三上学期期末教学质量检测数学(理)试题陕西省商洛市考试高三上学期期末教学质量检测数学(文)试题2020届湖北省十堰市高三年级元月调研考试文科数学试题2020届高三2月第01期(考点08)(理科)-《新题速递·数学》2020届西大附中高三11月月考数学(文)试题2020届江西省九江市十校高三下学期模拟考试数学(理)试题江西省九江市十校2019-2020学年高三模拟考试数学(文)试题黑龙江省大庆实验中学2020届高三综合训练(五)数学(文)试题宁夏吴忠中学2019-2020学年高二下学期期末考试数学(文)试题(已下线)专题11 椭圆-2020-2021学年高中数学新教材人教A版选择性必修配套提升训练四川省成都市第二十中学校2022-2023学年高二下学期第一次质量检测数学试题
名校
4 . 已知椭圆
的右顶点
,且离心率为
.
(Ⅰ)求椭圆
的方程;
(Ⅱ)设
为原点,过点
的直线
与椭圆
交于两点
、
,直线
和
分别与直线
交于点
、
,求
与
面积之和的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c96b59b8f6b4961fd8792c64eec4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设
![](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/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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc3919b5000f9af77ddb77a62bee9c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a9fc2dda89829fa2c610a8fce86d22.png)
您最近一年使用:0次
2020-01-10更新
|
749次组卷
|
3卷引用:北京市海淀区2019-2020学年高三上学期期末数学试题
名校
5 . 已知椭圆C:
的离心率
,连接椭圆的四个顶点得到的菱形的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/2fd4ea48-eab2-4274-a456-e38e1cc09061.png?resizew=189)
求椭圆C的方程;
如图所示,该椭圆C的左、右焦点
,
作两条平行的直线分别交椭圆于A,B,C,D四个点,试求平行四边形ABCD面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00df4f17848c072b51e80d427d486e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4d9ff190d74979422dae71751c6fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6bfd94f6f2f41148d785f6b8a0181d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/2fd4ea48-eab2-4274-a456-e38e1cc09061.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
您最近一年使用:0次
6 . 如图,椭圆
的左右焦点
、
恰好是等轴双曲线
的左右顶点,且椭圆的离心率为
,
是双曲线
上异于顶点的任意一点,直线
和
与椭圆的交点分别记为
、
和
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/858d4332-e756-4e2c-86ab-076e41c32477.png?resizew=240)
(1)求椭圆
的方程;
(2)设直线
、
的斜率分别为
、
,求证:
为定值;
(3)若存在点
满足
,试求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9125cf40f225e6ec6342ca327597871.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/9e21bbe81b7bab2524b583755646c9d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.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/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/858d4332-e756-4e2c-86ab-076e41c32477.png?resizew=240)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e029cc1f7d07eeb136bd3946a7eb23e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32410867843f1a7ef11410da8f3f8dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7c6ce579670c7a9d5a772aa74bbe33.png)
(3)若存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2a8efc041ee1c2fd0da5a03830af6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
您最近一年使用:0次
7 . 已知椭圆
:
的离心率为
,短轴长为2.
(1)求椭圆
的标准方程;
(2)过点
的直线
与椭圆
交于
、
两点,若以
为直径的圆恰好过坐标原点,求直线
的方程及
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75ebcf0d951f833ca90e040f3cd4db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2019-12-27更新
|
447次组卷
|
5卷引用:山东省九校2019-2020学年高三上学期12月检测数学试题
山东省九校2019-2020学年高三上学期12月检测数学试题(已下线)考点27 椭圆的综合问题-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)(已下线)高二上学期期末综合测试二+(A卷基础卷)-2020-2021学年高二数学上学期同步单元AB卷(苏教版,新课改地区专用)(已下线)期中测试卷02(B卷·提升能力)-2021-2022学年高二数学同步单元AB卷(苏教版2019选择性必修第一册)【学科网名师堂】河南省济源市英才学校2023-2024学年高二上学期11月月考数学试题
名校
8 . 在平面直角坐标系
中,已知椭圆
的左顶点为
,右焦点为
,
,
为椭圆
上两点,圆
.
(1)若
轴,且满足直线
与圆
相切,求圆
的方程;
(2)若圆
的半径为2,点
,
满足
,求直线
被圆
截得弦长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3285a2383fa18025034cf9876175295.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b1da9046b4cb82135a4a1eaa528c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/29f0a238b82b975661d2df743acffdad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2019-12-17更新
|
725次组卷
|
4卷引用:湖南省长沙市第一中学、株洲二中等湘东七校2019-2020学年高三上学期12月月考数学(文)试题
名校
9 . 已知点
、
为椭圆
的左、右顶点,点
为
轴上一点,过
作
轴的垂线交椭圆
于
、
两点,过
作
的垂线交
于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7eb8cbe38ce0906543435f4df165888.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/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2019-11-28更新
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4卷引用:河南省开封市五县联考2019-2020学年高二上学期期中数学(理)试题
河南省开封市五县联考2019-2020学年高二上学期期中数学(理)试题河南省林州市第一中学2019-2020学年高二上学期期中数学试题福建省泉州第五中学2020-2021学年高二下学期入学考试数学试题(已下线)2021年全国高考甲卷数学(文)试题变式题16-20题
10 . 已知
是椭圆
的两个焦点,
为坐标原点,离心率为
,点
在椭圆上.
(1)求椭圆的标准方程;
(2)
为椭圆上三个动点,
在第二象限,
关于原点对称,且
,判断
是否存在最小值,若存在,求出该最小值,并求出此时点
的坐标,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.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/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf7efad425c5cf427e10a9a6405d4c.png)
(1)求椭圆的标准方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927456b0989846a2f1573844bbaa2105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de78eee88cee3e363fa395051956a52.png)
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