名校
1 . 已知点
,
是椭圆
上的动点,且
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7625d648c8bd1c8d84cc044827e59638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9fa164279a2bf4873fd0dba3492b90.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-11-05更新
|
3257次组卷
|
9卷引用:江苏省扬州市扬州中学2019-2020学年高二上学期期中数学试题
江苏省扬州市扬州中学2019-2020学年高二上学期期中数学试题【全国百强校】吉林省实验中学2018-2019学年高二上学期期中考试数学(文)试题重庆市万州沙河中学2020-2021学年高二上学期期中数学试题2016届福建省厦门市高三5月月考理科数学试卷2016届福建省厦门市高三5月月考文科数学试卷2017届湖南长沙长郡中学高三入学考试数学(理)试卷(已下线)2018年11月25日 《每日一题》文数人教版一轮复习-每周一测(已下线)2019年11月24日《每日一题》一轮复习文数-每周一测重庆市江津中学校2019-2020学年高二上学期第二次阶段考试数学试题
2 . 在平面直角坐标系
中,设命题
:椭圆
的焦点在
轴上;命题
:直线
与圆
有公共点.若命题
为假命题,且命题
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16bcc38dd9781da3b5586e63331b8360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1243e97232811d82a3182785366fa1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a572ee7a7b9201802cc17a8f3632c465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094543346d88c4ed45c1b1fb91f5265b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d426f0f57b67c00ab87e81c9d1d5ef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-12-26更新
|
470次组卷
|
3卷引用:江苏省无锡市江阴四校2017-2018学年高二上学期期中考试数学试题
3 . 如图,在平面直角坐标系
中,椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdc384aa20e27b9289497e741e35554.png)
的左顶点为
,离心率为
,过点
的直线
与椭圆
交于另一点
,点
为
轴上的一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/91d60337-e57e-4cd3-9350-2ca7125cadb2.png?resizew=193)
(1)求椭圆
的标准方程;
(2)若
是以点
为直角顶点的等腰直角三角形,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdc384aa20e27b9289497e741e35554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/91d60337-e57e-4cd3-9350-2ca7125cadb2.png?resizew=193)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2017-12-18更新
|
848次组卷
|
4卷引用:江苏省徐州市2018届高三上学期期中考试数学试题
名校
解题方法
4 . 已知椭圆
的离心率为
,其左、右焦点分别为F1、F2,点
是坐标平面内一点,且
,
(O为坐标原点).
(1)求椭圆C的方程;
(2)过点
且斜率为k的动直线l交椭圆于AB两点,在y轴上是否存在定点M,使以AB为直径的圆恒过该点?若存在,求出点M的坐标,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85496d18c08287f8b09bfbf0a8c30d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b759611100b2fb7cfe2f1049a52e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53d76ca95e44110edb74fc2e6c2a733.png)
(1)求椭圆C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfc8c8987dd4573ca53c7ffd66b6500.png)
您最近一年使用:0次
2017-12-17更新
|
840次组卷
|
4卷引用:江苏省如东高级中学2018届高三上学期期中考试数学试题
江苏省如东高级中学2018届高三上学期期中考试数学试题【全国校级联考】]安徽省定远重点中学2018届高三5月高考模拟考试数学(理)试题【校级联考】湖南省湘西自治州四校2018-2019学年高二上学期12月联考数学(理)试题(已下线)天津市耀华中学2024届高三上学期第一次月考数学试题变式题16-20
解题方法
5 . 如图,M
在椭圆C:
上,经过点P
的直线
交椭圆于E,F(E在F上方),直线MP交椭圆于N.
(1)求椭圆C的方程
(2)若直线
的斜率为
,求
的值;
(3)若
求直线
的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8db23a6354a9ddc21738a65739159a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b5beb07753e1a64cace92e99276bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9bb84212683743b29b27bd633f1af2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求椭圆C的方程
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd86ebd003b3123a1edaf371abd8193.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebdfea134c1c6dd7a6e93a2669ce7a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/8e45072b-6346-4677-b191-d90716846038.png?resizew=286)
您最近一年使用:0次
2017-11-30更新
|
380次组卷
|
3卷引用:江苏省如皋市2017~2018学年度高二年级第一学期教学质量调硏(二)理科试题
江苏省如皋市2017~2018学年度高二年级第一学期教学质量调硏(二)理科试题2017~2018学年度江苏省如皋市高二年级第一学期教学质量调硏(二)文科(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高二江苏版数学试题(B卷)
6 . 若椭圆mx2+ny2=1与直线x+y=1交于A、B两点,点M为A、B的中点,直线OM的斜率为2(其中O为原点),
,则椭圆方程为_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5578257989f526adb2bcc0b9cee03bde.png)
您最近一年使用:0次
2017-11-30更新
|
595次组卷
|
3卷引用:江苏省如皋市2017~2018学年度高二年级第一学期教学质量调硏(二)理科试题
名校
解题方法
7 . 某奥运会主体育场的简化钢结构俯视图如图所示,内外两圈的钢骨架是离心率相同的椭圆,我们称这两个椭圆相似.
![](https://img.xkw.com/dksih/QBM/2017/11/15/1817595502911488/1817931638423552/STEM/4e3dbdd7485a4d2788b6ed0a6d31c9b0.png?resizew=227)
(1)已知椭圆
,写出与椭圆
相似且焦点在
轴上、短半轴长为
的椭圆
的标准方程;若在椭圆
上存在两点
、
关于直线
对称,求实数
的取值范围;
(2)从外层椭圆顶点A、B向内层椭圆引切线AC、BD,设内层椭圆方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9193100cdccb80f592b7f1fcd0dd96b9.png)
,AC与BD的斜率之积为
,求椭圆的离心率.
![](https://img.xkw.com/dksih/QBM/2017/11/15/1817595502911488/1817931638423552/STEM/4e3dbdd7485a4d2788b6ed0a6d31c9b0.png?resizew=227)
(1)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f036026cd92e9ad059c3f22a7658638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca18c89c398b435447b1970f6f00a43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca18c89c398b435447b1970f6f00a43.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/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)从外层椭圆顶点A、B向内层椭圆引切线AC、BD,设内层椭圆方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9193100cdccb80f592b7f1fcd0dd96b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115b1a5109eb896f487302f297651df8.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,命题
椭圆
表示的是焦点在
轴上的椭圆,命题
对
,直线
与椭圆
恒有公共点.
(1)若命题“
”是假命题,命题“
”是真命题,求实数
的取值范围.
(2)若
真
假时,求椭圆
、椭圆
的上焦点之间的距离d的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a259dddccc3cfe8f81735cd5834785d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85f93ce5a6e28a70fb19ef9f42e2a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a1a1d06e7c43bf01d7fc8aa92fad25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9b70aa0b52c334930b468d272e627a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf1bce17440e83c1b735d2954010a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b54ca0154a9f69bf60c631f67f505df.png)
(1)若命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2014·上海松江·三模
名校
9 . 已知点
是椭圆
上任一点,点
到直线
的距离为
,到点
的距离为
,且
.直线
与椭圆
交于不同两点
(
都在
轴上方),且
.
(1)求椭圆
的方程;
(2)当
为椭圆与
轴正半轴的交点时,求直线
方程;
(3)对于动直线
,是否存在一个定点,无论
如何变化,直线
总经过此定点?若存在,求出该定点的坐标;若不存在,请说明理由.
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4254a29cb5eca94b209eee397ab7a7b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edf900c810371fb21297c15f86d8743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e1a85a657231ef717809d5a839ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31ac1def558351e2e3ed1235c570530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a19c0de77ce738ec4416b011392382.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/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881d2082db12b6f208d9448efb270e93.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)对于动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83e1a22106c4e944335eeb749cb0b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2018/4/2/1915506605375488/1915999274704896/STEM/af8f918fcaa245e69d019f57a977ecde.png?resizew=220)
您最近一年使用:0次
2016-12-03更新
|
1761次组卷
|
10卷引用:江苏省泰州中学2017-2018学年高二上学期期中考试数学试题
12-13高三上·河北保定·期末
名校
10 . 已知椭圆
的右焦点为
且
,设短轴的一个端点为
,原点
到直线
的距离为
,过原点和
轴不重合的直线与椭圆
相交于
两点,且
.
(1) 求椭圆
的方程;
(2) 是否存在过点
的直线
与椭圆
相交于不同的两点
且使得
成立?若存在,试求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e98f34b73e3260e4d6214b8a81168a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee0ca0d9289b8f8ec42c7f2d3c0801c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ce76a569dda5622278f678955cb6c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9c6fe12d3a9727e00ef87a630302ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5ab34aaf0f712cb68c5204b24c2ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100629beb5d0409b3075da55286cfe0f.png)
(1) 求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2) 是否存在过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e15e83c607c1c733d34df1f52e40d4.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/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2f0090a0d9cab371cfddc232888187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2016-12-01更新
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1460次组卷
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5卷引用:江苏省盐城中学2022-2023学年高二下学期期中数学试题