名校
解题方法
1 . 已知
为椭圆
上一点,点
与椭圆
的两个焦点构成的三角形面积为
.
(1)求椭圆
的标准方程;
(2)不经过点
的直线
与椭圆
相交于
两点,若直线
与
的斜率之和为
,证明:直线
必过定点,并求出这个定点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-01-19更新
|
354次组卷
|
13卷引用:山西省太原市山西大学附属中学校2023-2024学年高二上学期期中考试数学试题
山西省太原市山西大学附属中学校2023-2024学年高二上学期期中考试数学试题福建省永春华侨中学2023-2024学年高二上学期期中考试数学试题福建省莆田市第三中学2024届高三上学期期中数学试题(已下线)高二数学上学期期中模拟卷01(原卷版)广东省深圳市龙岗区华中师范大学龙岗附属中学2023-2024学年高二上学期期末区统考模拟考试数学试卷四川省雅安市天立高级中学2022-2023学年高二上学期第三次月考数学(文)试题四川省雅安市天立高级中学2022-2023学年高二上学期第三次月考数学(理)试题四川省泸州市合江县马街中学校2023-2024学年高二上学期期末数学试题(已下线)专题03 圆锥曲线的方程(3)吉林省通化市梅河口市第五中学2023-2024学年高二下学期开学考试数学试题(已下线)微考点6-3 圆锥曲线中的定点定值问题(三大题型)(已下线)专题10 椭圆的几何性质8种常见考法归类(2)(已下线)专题08 圆锥曲线 第二讲 圆锥曲线中的定点、定直线与定值问题(分层练)
解题方法
2 . (1)已知椭圆的对称轴为坐标轴,离心率
,短轴长为
,求椭圆的方程;
(2)已知椭圆的两焦点为
,点
在椭圆上,若
面积的最大值为12,求此椭圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a6f11bccb89077aff12e0d1d2b88df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46fd58e40935064129c4676ec310791.png)
(2)已知椭圆的两焦点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462a41b26eccbc6cf4325e735e34fad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
您最近一年使用:0次
解题方法
3 . 已知曲线
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff41b0435e120094baed2e8e37353ec.png)
A.若![]() |
B.若![]() ![]() |
C.若曲线C为双曲线,则其渐近线方程为![]() |
D.若曲线C表示椭圆,则其焦距为![]() |
您最近一年使用:0次
2023-12-26更新
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2卷引用:山西省吕梁市孝义市2023-2024学年高二上学期12月月考数学试题
名校
解题方法
4 . 已知
是椭圆
的左顶点,且
经过点
.
(1)求
的方程;
(2)若直线
与
交于
两点,且
,求弦
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e788c747c01bb744d887029acaefee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c6162828793e697cb1ad643b287c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82acfc83fac146723a9e26a9ec191595.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764ab1262baa09cd62fb6ddba39df2ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a1467ecf286e3cadaf5aa006606f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761aa99382ad5f06df9fcd021bd7fada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-12-22更新
|
893次组卷
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5卷引用:山西省部分学校2024届高三上学期12月联考数学试题
名校
5 . 已知椭圆C:
过
,
.
(1)求椭圆C的方程;
(2)倾斜角为
的直线l交椭圆于A,B两点,已知
,求直线l的一般式方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23a03ca8f1729bfcadf513784817fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
(1)求椭圆C的方程;
(2)倾斜角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f14cb94f6980fa56a47c283af74f5cf.png)
您最近一年使用:0次
6 . 已知椭圆
的左顶点、上顶点分别为
,
,离心率为
,
(
为坐标原点)的面积为1.
(1)求椭圆
的方程;
(2)已知过点
的直线
交椭圆
于
,
两点(点
,
不在
轴上),直线
,
分别交
轴于点
,
,若
,
,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.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/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df49179dbfbc8e207aa92fd72060fba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725b462ec7600e3fe695295f9d654ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031e262818360688a136d22677cd78ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d604d4082af56c24af71e1363c302cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
7 . 已知椭圆
的左、右顶点分别为A,B,O为坐标原点,点P在C上(异于A,B两点),直线
,
的斜率之积为
,点
在C上.
(1)求C的方程;
(2)过椭圆C的右焦点F的直线
与C交于D,E两点,过线段
的中点G作直线
的垂线,垂足为N,记
的面积为S,直线
,
的斜率分别为
,
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/d78fd95f89dec2d373fa57f02acd739f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e67baac84cf5c95d06d50c36cab7c68.png)
(1)求C的方程;
(2)过椭圆C的右焦点F的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e00bf73d03dded1cf5f83cc5339361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca640540d5152619c1d7eac53a2bdfbd.png)
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名校
解题方法
8 . 已知椭圆C的中心在坐标原点,两焦点
在x轴上,离心率为
,点P在C上,且
的周长为6.
(1)求椭圆C的标准方程;
(2)过点
的动直线l与C相交于A,B两点,点B关于x轴的对称点为D,直线AD与x轴的交点为E,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
(1)求椭圆C的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
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2023-12-13更新
|
608次组卷
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11卷引用:山西省晋城市第一中学校2024届高三上学期9月月考数学试题
山西省晋城市第一中学校2024届高三上学期9月月考数学试题湖南师范大学附属中学2024届高三上学期月考(一)数学试题湖南省衡阳市衡阳县第四中学2024届高三上学期期中数学试题江苏省苏州园三2023-2024学年高二上学期12月月考数学试题2023-2024学年高二上学期期末数学仿真模拟试题01(新高考地区专用)陕西省榆林市府谷县府谷中学2023-2024学年高二上学期期末模拟数学试题重庆市第十八中学2023-2024学年高二上学期期末数学模拟试题(已下线)高二数学开学摸底考02(江苏专用)-2023-2024学年高中下学期开学摸底考试卷福建省福州市福清第一中学2023-2024学年高二下学期开门检测数学试题(已下线)云南、广西、贵州2024届“3+3+3”高考备考诊断性联考(二)数学试题变式题16-19河北省涞源县第一中学等部分高中2024届高三下学期三模考试数学试题
9 . 已知点
在圆
:
上运动,过点
作
轴的垂线段
,
为垂足,动点
满足
.
(1)求动点
的轨迹方程
;
(2)过点
的动直线
与曲线
交于
,
两点,与圆
交于
,
两点.求
的最大值.
![](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/be68dfb4d8b5f3adfc250b7d23e64165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a899188efd53cdc4b26860b5eaa0b17.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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)
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe5351a50aac766f146acd1a9a6e79e.png)
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名校
10 . 已知圆
的圆心为M,设A是圆上任意一点,
,线段
的垂直平分线交
于点P,则动点P的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2363ad5efc4707dfd67aa4f84b4e455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b2bb30137f92479d11827ee769f001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
A.圆 | B.椭圆 | C.双曲线 | D.线段 |
您最近一年使用:0次
2023-11-24更新
|
354次组卷
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2卷引用:山西省实验中学2023-2024学年高二上学期期中数学试题