解题方法
1 . 已知
是椭圆
的一个顶点,焦点在
轴上,其右焦点到直线:
的距离等于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16fad514d00bf77eaadf032dc54bb96.png)
(1)求椭圆
的标准方程;
(2)过点
的直线
与椭圆
交于
两点,若
为
中点,求直线
方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad23b18d91c7b46441d298c62a5169ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16fad514d00bf77eaadf032dc54bb96.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9deb20b57fe0b94ca8520b55298d6c4a.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
2 . 已知椭圆
:
的一个焦点
与抛物线
的焦点重合,且截抛物线的准线所得弦长为
.
(1)求该椭圆
的方程;
(2)若过点
的直线
与椭圆
相交于
,
两点,且点
恰为弦
的中点,求直线
的方程.
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
(1)求该椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550dee2b8e6a03b564e4d4bb1731b923.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2018-03-06更新
|
641次组卷
|
3卷引用:【全国百强校】贵州省铜仁市第一中学2018-2019学年高二上学期期末考试数学(理科)试题
10-11高三上·福建宁德·期中
真题
名校
3 . 椭圆
的两个焦点为
,点
在椭圆
上,且
,
.
(1)求椭圆
的方程;
(2)若直线
过圆
的圆心
,交椭圆
于
两点,且
关于点
对称,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.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/f434c9d1e243f90bd9c5eac037017802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e68b9c058961967cfaad7171903ddd2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/7d687cf0-b814-4249-9daa-4e14756202bd.png?resizew=224)
(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/a4549fb6465c3661483f1a7119a74cf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2018-03-05更新
|
853次组卷
|
13卷引用:2011-2012学年河北省衡水中学高二上学期期末考试文科数学
(已下线)2011-2012学年河北省衡水中学高二上学期期末考试文科数学2015-2016学年海南文昌中学高二下期末文科数学试卷安徽师范大学附属中学2017-2018学年高二上学期期末考试数学(理)试题福建省福州福清市2017-2018学年学年高二上学期期末考试数学(理)试题(已下线)2011届福建省古田一中高三上学期期中考试数学理卷(已下线)2011年江苏省盐城中学高二第一学期期中考试数学(已下线)2012届重庆市四十八中学高三综合练习二理科数学试卷(已下线)2012-2013学年陕西省南郑中学高二下学期期中考试理科数学试卷2015-2016学年广东仲元中学高二下期中文科数学试卷(已下线)3.1.1 椭圆及其标准方程(2)-2020-2021学年高二数学课时同步练(人教A版选择性必修第一册)陕西省咸阳市武功县2021-2022学年高三上学期第一次质量检测文科数学试题2006年普通高等学校招生考试数学(文)试题(北京卷)北京名校2023届高三一轮总复习 第7章 解析几何 7.5 椭圆的定义和标准方程
11-12高二上·福建福州·期末
解题方法
4 . 已知椭圆C的焦点F1(-
,0)和F2(
,0),长轴长6,设直线
交椭圆C于A,B两点,且线段AB的中点坐标是
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc3bdc52580b7ac1c097bcbe4cee020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解题方法
5 . 点
在圆
上运动,
轴,
为垂足,点
在线段
上,满足
.
(1)求点
的轨迹方程;
(2)过点
作直线
与点
的轨迹相交于
两点,使点
为弦
的中点,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393a0e30b023f2a20d366eef481b5eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f00d0ff8dd38da17167cf9b789eec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7cdad578bf4148b31a6f7b16900b66.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f00485d3aea3ca00ba645163a8e4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-04更新
|
419次组卷
|
3卷引用:2015-2016学年福建省八县一中高二上学期期末理科数学试卷
6 . 已知椭圆
,椭圆的右焦点为
,
(1)求过点
且斜率为1的直线被椭圆截得的弦长.
(2)求以
为中点的椭圆的弦所在的直线方程.
(3)过椭圆的右焦点
的直线
交椭圆于
,求弦
的中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c733223639afd98d2a624e85c309e016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e584f799ea554fc5533925ead4672501.png)
(3)过椭圆的右焦点
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解题方法
7 . 如图,椭圆
的右焦点为
,右顶点、上顶点分别为点
且
.
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572507975041024/1572507981283328/STEM/b59589581b1d449f9a20ab60e9753f27.png?resizew=196)
(1)求椭圆的离心率;
(2)若点
在椭圆
内部,过点
的直线
交椭圆
于
两点,
为线段
的中点,且
.求直线
的方程及椭圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebe2973467a921e861a12471ec8496e.png)
![](https://img.xkw.com/dksih/QBM/2016/3/1/1572507975041024/1572507981283328/STEM/b59589581b1d449f9a20ab60e9753f27.png?resizew=196)
(1)求椭圆的离心率;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcb05e9c3ff28374caa42318fc81537.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7df99fe6438442a9453fc0c57fb703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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
8 . 如图,已知椭圆
,点B是其下顶点,过点B的直线交椭圆C于另一点A(A点在
轴下方),且线段AB的中点E在直线
上.
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572054590701568/1572054596534272/STEM/709902ff189c47ddb3683a316279d417.png?resizew=229)
(1)求直线AB的方程;
(2)若点P为椭圆C上异于A、B的动点,且直线AP,BP分别交直线
于点M、N,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219cf5ee39817cd25789e9a687212549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572054590701568/1572054596534272/STEM/709902ff189c47ddb3683a316279d417.png?resizew=229)
(1)求直线AB的方程;
(2)若点P为椭圆C上异于A、B的动点,且直线AP,BP分别交直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822667ec0ae0e012fe54a9752041088a.png)
您最近一年使用:0次
2016-12-03更新
|
639次组卷
|
7卷引用:2015届江苏省苏州市高三上学期期末考试文科数学试卷
2015届江苏省苏州市高三上学期期末考试文科数学试卷贵州省镇远县文德民族中学校2021-2022学年高二上学期期末考试数学(理)试题【全国校级联考】安徽省定远重点中学2017-2018学年高二下学期教学段考数学(文)试题(已下线)专题44圆锥曲线综合应用-2022年(新高考)数学高频考点+重点题型安徽省阜阳市太和中学2021-2022学年高二下学期开学考试数学试题河南省濮阳市第一高级中学2023届高三模拟质量检测文科数学试题(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
12-13高二上·福建龙岩·期末
名校
解题方法
9 . 已知双曲线
的焦点为
,
,且离心率为
;
(1)求双曲线的标准方程;
(2)若经过点
的直线
交双曲线
于
,
两点,且
为
的中点,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813f9a2814013e2407b5b1c216159359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求双曲线的标准方程;
(2)若经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6114ce586d4468f1b83c85bf029ba625.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-01更新
|
1179次组卷
|
4卷引用:2011-2012学年福建省龙岩一中高二上学期期末考试理科数学
(已下线)2011-2012学年福建省龙岩一中高二上学期期末考试理科数学2015-2016学年内蒙古巴彦淖尔一中高二上期中理科数学卷2015-2016学年内蒙古巴彦淖尔一中高二上期中文科数学卷四川省攀枝花市第三高级中学校2021-2022学年高二上学期第一次月考数学(理)试题
2010·陕西·模拟预测
名校
解题方法
10 . 已知定点
及椭圆
,过点
的动直线与该椭圆相交于
两点.
(1)若线段
中点的横坐标是
,求直线
的方程;
(2)在
轴上是否存在点
,使
为常数?若存在,求出点
的坐标;如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c7230eb7047254d651aaabf4162540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c37d33d47aee74a821c0aee7e47184.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)若线段
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87a6b4d79ef25f6cd54caf8b56f47b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af379ae0830b65e4e15a4cc7a96fb90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2016-11-30更新
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10卷引用:2010—2011学年辽宁省营口市普通高中高二上学期期末教学质量检测理科数学
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