名校
解题方法
1 . 已知椭圆
的左右焦点分别为
,以线段
为直径的圆过C的上下顶点,点
在C上,其中e为C的离心率.
(1)求椭圆C的方程和短轴长;
(2)点
在C上,且在x轴的上方,满足
,直线
与直线
的交点为P,求
的面积.
![](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/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93c13c9d1a1f85ab7a9b044c669bf53.png)
(1)求椭圆C的方程和短轴长;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291255fbc4b2ac36e445fc090bd539b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbad65b3d744b70da2480eee1cdb587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
您最近一年使用:0次
2024-06-10更新
|
553次组卷
|
2卷引用:2024届河北省承德市部分示范高中高三三模数学试题
名校
解题方法
2 . 已知椭圆
:
经过点
,且离心率为
.
(1)求椭圆C的方程;
(2)直线
,
均过点A,且互相垂直,直线
与圆O:
交于M,N两点,直线
与椭圆C交于另一点B,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9bebea391a1f9956dfcca98d9d1f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆C的方程;
(2)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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbec471ffed534e60ec40d48b9f0968.png)
您最近一年使用:0次
2023-05-29更新
|
565次组卷
|
4卷引用:河北省唐山市第十中学2023届高三模拟数学试题
3 . 已知
,
分别是椭圆C:
(
)的左,右焦点,B是C的上顶点,过
的直线交C于P,Q两点,O为坐标原点,
与
的周长比为
,则椭圆的离心率为_________ ;如果
,且
,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/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec11ff3a07361d2d2ab9de7a194524c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fea5f7430235e65d2c2e6b2ecc46712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f728b7727369bfe12b6054a9bfa0c546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5113f2b7714d73c9dc899821485ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2b96cd4d27c2956452c1cd064d3b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fea5f7430235e65d2c2e6b2ecc46712.png)
您最近一年使用:0次
2023-03-10更新
|
948次组卷
|
4卷引用:河北省石家庄市2023届高三质量检测(一)数学试题
河北省石家庄市2023届高三质量检测(一)数学试题四川省仁寿县铧强中学2023届高三三模文科数学试题四川省仁寿县铧强中学2023届高三三模数学(理)试题(已下线)河北省石家庄市2023届高三质量检测(一)数学试题变式题11-16
名校
解题方法
4 . 已知双曲线
:
上异于顶点的任一点与其两个顶点的连线的斜率之积为
.
(1)求双曲线的渐近线方程;
(2)椭圆
:
的离心率等于
,过椭圆上任意一点
作两条与双曲线的渐近线平行的直线,交椭圆
于
,
两点,若
,求椭圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4d0b4d60f28a0a82eaeb506ac58bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158b045c6172c4178d7aa52083e1489f.png)
(1)求双曲线的渐近线方程;
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2def2de61dde0948984225d817cdb170.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca9f23588de045092ba4b908df0b637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2021-09-22更新
|
597次组卷
|
11卷引用:河北省衡水中学2021届高三下学期三模数学试题
河北省衡水中学2021届高三下学期三模数学试题广东省2022届高三高考仿真卷二数学试题(已下线)考点41 双曲线-备战2022年高考数学(理)一轮复习考点帮(已下线)第3章 圆锥曲线与方程(培优卷)-2021-2022学年高二数学新教材单元双测卷(苏教版2019选择性必修第一册)(已下线)第3章 圆锥曲线与方程(基础卷)-2021-2022学年高二数学新教材单元双测卷(苏教版2019选择性必修第一册)(已下线)第3章 圆锥曲线与方程 单元综合检测(能力提升)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)第3章 圆锥曲线与方程 单元综合检测(基础过关)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)2021年新高考北京数学高考真题变式题16-21题(已下线)考点12 双曲线-备战2022年高考数学学霸纠错(新高考专用)(已下线)专题03 平面解析几何-备战2022年高考数学母题题源解密(新高考版)(已下线)第12讲 双曲线(5大考点)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)
名校
5 . 已知
,
,动点P满足:直线PM与直线PN的斜率之积为常数
,设动点P的轨迹为曲线
.抛物线
与
在第一象限的交点为A,过点A作直线l交曲线
于点B.交抛物线
于点E(点B,E不同于点A).
(1)求曲线
的方程.
(2)是否存在不过原点的直线l,使点E为线段AB的中点?若存在,求出p的最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/accf35598ee054f1bf8b6584641d6d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b2bb30137f92479d11827ee769f001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e393b3e36390b1354950e2cfccc4967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)是否存在不过原点的直线l,使点E为线段AB的中点?若存在,求出p的最大值;若不存在,请说明理由.
您最近一年使用:0次
2021-05-05更新
|
643次组卷
|
3卷引用:河北省承德市2021届高三下学期二模数学试题
名校
6 . 如图所示椭圆
的左、右顶点分别为
,
,上、下顶点分别为
,
,右焦点为
,
,离心率
.
![](https://img.xkw.com/dksih/QBM/2020/9/19/2553327894921216/2553395095429120/STEM/7ce5462ba39e47dd805edb955f7ea26e.png?resizew=207)
(1)求椭圆
的方程;
(2)过点
作斜率为
的直线
与椭圆
交于点
,
(点
在第一象限),直线
与直线
交于点
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b86ef337d853f60c0eb03865d0b3639.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://img.xkw.com/dksih/QBM/2020/9/19/2553327894921216/2553395095429120/STEM/7ce5462ba39e47dd805edb955f7ea26e.png?resizew=207)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3182f32cc4f57ff13155ada0231d606f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99738c0ba6ad5af08c609bd57fbc015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6872196eb516b7e6cced75eafa8e3905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2020-09-19更新
|
1339次组卷
|
5卷引用:2020届河北省衡水中学高三卫冕联考数学(文)试题
2020届河北省衡水中学高三卫冕联考数学(文)试题江西省新余市第一中学2021届高三全真模拟考试数学(文)试题(已下线)专题21 圆锥曲线综合-2020年高考数学(文)母题题源解密(全国Ⅰ专版)(已下线)专题20 圆锥曲线综合-2020年高考数学(理)母题题源解密(全国Ⅰ专版)(已下线)第41讲 椭圆-2021年新高考数学一轮专题复习(新高考专版)
解题方法
7 . 已知椭圆
的焦距为4.且过点
.
(1)求椭圆E的方程;
(2)设
,
,
,过B点且斜率为
的直线l交椭圆E于另一点M,交x轴于点Q,直线AM与直线
相交于点P.证明:
(O为坐标原点).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987ae0298890f6d9bb162db8d00a5b1c.png)
(1)求椭圆E的方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578faa3e92d60d4741a360898e46ce61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f213e991614465959aac77292c9bf09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad0f00d7f0acc53d9774923580a60bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bdac20e214b2cb3bd07f8d4778dcca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7b2dd78335047423ce9b8f84c61c44.png)
您最近一年使用:0次
2020-05-19更新
|
377次组卷
|
3卷引用:2020届河北省张家口市高三5月普通高等学校招生全国统一模拟数学(文)试题
名校
8 . 已知椭圆
的离心率为
,且点
在椭圆
上.
(1)求椭圆
的方程;
(2)若直线
与椭圆
交于
,
不同两点,且直线
与直线
的倾斜角互补,试求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4754fbe523ca63eba3810a3f88f37df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-03-27更新
|
757次组卷
|
5卷引用:河北省衡水市第二中学2019届高三上学期期中考试文科数学试题
9 . 已知椭圆
与抛物线
有共同的焦点
,过椭圆的左焦点
作倾斜角为
的直线,与椭圆交于M、N两点,求:
(1)直线MN的方程和椭圆的方程;
(2)
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0399de4659dca7ca95ae7eda823ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.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/15615de1a6df206dbd081251f676578e.png)
(1)直线MN的方程和椭圆的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
您最近一年使用:0次
名校
10 . 已知椭圆
的上顶点为点
,右焦点为
.延长
交椭圆
于点
,且满足
.
(1)试求椭圆
的标准方程;
(2)过点
作与
轴不重合的直线
和椭圆
交于
两点,设椭圆
的左顶点为点
,且直线
分别与直线
交于
两点,记直线
的斜率分别为
,则
与
之积是否为定值?若是,求出该定值;若不是,试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c287ebedc0a13723a13748b4745343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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(2)过点
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您最近一年使用:0次
2018-05-01更新
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993次组卷
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2卷引用:【衡水金卷】河北省衡水中学2018届高三毕业班模拟演练一理科数学试题