1 . 已知椭圆的焦点在
轴上,中心在坐标原点.其在
轴上的两个顶点与两个焦点恰好是边长为2的正方形的顶点,则该椭圆的标准方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2 . 已知椭圆C:
与圆M:
的一个公共点为
.
(1)求椭圆C的方程;
(2)过点M的直线l与椭圆C交于A、B两点,且A是线段MB的中点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d11d2beaaeeed8a07fea405e13c2eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5433228c77073dcb6e771a24dfa7e28.png)
(1)求椭圆C的方程;
(2)过点M的直线l与椭圆C交于A、B两点,且A是线段MB的中点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
名校
3 . 已知曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555b3f0f1fa800a03de11718a666bdb6.png)
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1f5a9c4d3c70e4b542d7632ae42e4.png)
都过点
,且曲线
的离心率为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/7cbc6969-f9ee-4012-b2d8-0da18c4819e9.png?resizew=228)
(1)求曲线
和曲线
的方程;
(2)设点
,
分别在曲线
,
上,
,
的斜率分别为
,
,当
时,问直线
是否过定点?若过定点,求出定点坐标;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555b3f0f1fa800a03de11718a666bdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3093ad99506dcc74dfd053a6b87134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1f5a9c4d3c70e4b542d7632ae42e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0af1a9647a129a692715564967a8ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/7cbc6969-f9ee-4012-b2d8-0da18c4819e9.png?resizew=228)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a690872ce10d8e00f43b2c8d4df1d08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
名校
4 . 已知椭圆
:
的一个焦点为
,点
在
上.
(1)求椭圆
的方程;
(2)若直线
:
与椭圆
相交于
,
两点,问
轴上是否存在点
,使得
是以
为直角顶点的等腰直角三角形?若存在,求点
的坐标;若不存在,说明理由.
![](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/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278b99933923773091940d566d36277c.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/54479885d4ab2f717d2e97718da04b43.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4201d3bead2e48cc80052b1418f23db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2019-04-15更新
|
2591次组卷
|
6卷引用:【市级联考】广东省广州市2019届高中毕业班综合测试(一)文科数学试题
2011·山东济宁·一模
名校
解题方法
5 . 已知椭圆
、抛物线
的焦点均在
轴上,
的中心和
的顶点均为原点
,从每条曲线上取两个点,将其坐标记录于下表中:
(Ⅰ)求
的标准方程;
(Ⅱ)请问是否存在直线
满足条件:①过
的焦点
;②与
交不同两点
且满足
?若存在,求出直线
的方程;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![]() | 3 | ![]() | 4 | ![]() |
![]() | ![]() | 0 | ![]() | ![]() |
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880248fa1259b2600a87f09a61287d44.png)
(Ⅱ)请问是否存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8165d43216ed030ca0634ccd253bc209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328e4cc042e5177d41c17c3679164ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-01-30更新
|
1379次组卷
|
13卷引用:广东省珠海市2018届高三上学期摸底考试文科数学试题
广东省珠海市2018届高三上学期摸底考试文科数学试题(已下线)2012届山东省兖州市高三入学摸底考试理科数学(已下线)2012届山东省兖州市高三入学摸底考试理科数学试卷(已下线)2011—2012学年度湖南省高三下学期二轮复习理科数学综合试卷湖北省天门、仙桃、潜江三市2016-2017学年高二下学期期末考试数学(理)试题湖北省天门、仙桃、潜江三市2016-2017学年高二下学期期末考试数学(文)试题陕西省宝鸡市金台区2017-2018学年高三上学期期中教学质量检测数学理试题(已下线)《2018届优生-百日闯关系列》数学专题三 第三关 以解析几何中与抛物线相关的综合问题2020届安徽省合肥市肥东县高级中学高三下学期4月调研考试数学(理)试题四川省成都市树德中学2019-2020学年高二5月半期考试数学(文)试题浙江省杭州市西湖高级中学2020-2021学年高二上学期期末数学试题(已下线)【新东方】高中数学20210304-005(已下线)第46讲 范围、最值、定点、定值及探索性问题(练) — 2022年高考数学一轮复习讲练测(课标全国版)
12-13高二上·广东深圳·期末
解题方法
6 . 已知直线
经过椭圆
的左顶点
和上顶点
,椭圆
的右顶点为
,点
为椭圆
上位于
轴上方的动点,直线
与直线
分别交于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/f606cbb9-a6f6-454c-9883-d271e7cf5f06.png?resizew=291)
(1)求椭圆
的方程;
(2)求证:直线
与
的斜率的乘积为定值;
(3)求线段
的长度的最小值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18feaed4f3dd7698210ba302c81dca6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.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/11b141148d19998c842aee2e5b1de63a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c86c60c1e2c03439a55ddfc9bd2a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/9/f606cbb9-a6f6-454c-9883-d271e7cf5f06.png?resizew=291)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77e9c89b7275b0c1a9af5c9a72e5968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b5e290c6b2c5508a3bf6117afbf7e1.png)
(3)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2018-11-11更新
|
638次组卷
|
3卷引用:2011-2012学年广东省深圳高级中学高二上学期期末考试理科数学试卷
(已下线)2011-2012学年广东省深圳高级中学高二上学期期末考试理科数学试卷【校级联考】江苏省七校联盟2018-2019学年高二上学期期中联考数学试题北京市首都师范大学第二附属中学2021届高三下学期开学考试数学试题
名校
7 . 已知椭圆
的标准方程为
,该椭圆经过点
,且离心率为
.
(1)求椭圆的标准方程;
(2)过椭圆
长轴上一点
作两条互相垂直的弦
.若弦
的中点分别为
,证明:直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆的标准方程;
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc3e47a358860345e74450ce2af9f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2018-10-27更新
|
4645次组卷
|
6卷引用:【市级联考】广东省深圳市高级中学2018-2019学年高二上学期期中考试数学(文)试题
【市级联考】广东省深圳市高级中学2018-2019学年高二上学期期中考试数学(文)试题2016届黑龙江省双鸭山一中高三上学期期末文科数学试卷【全国百强校】黑龙江省大庆中学2018届高三考前仿真模拟考试数学(文)试题【全国百强校】重庆巴蜀中学2019届上学期高三期中复习文科数学试卷甘肃省甘南藏族自治州合作第一中学2018-2019学年高二下学期期末考试数学(文)试题(已下线)专题44 直线与圆锥曲线的位置关系之定值、定点、共线问题-备战2022年高考数学一轮复习一网打尽之重点难点突破
名校
8 . 如图所示,A,B分别是椭圆C:
=1(a>b>0)的左右顶点,F为其右焦点,2是|AF|与|FB|的等差中项,
是|AF|与|FB|的等比中项.点P是椭圆C上异于A,B的任一动点,过点A作直线l⊥x轴.以线段AF为直径的圆交直线AP于点A,M,连接FM交直线l于点Q.
(1)求椭圆C的方程;
(2)试问在x轴上是否存在一个定点N,使得直线PQ必过该定点N?若存在,求出点N的坐标,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00c02280c2a0390d24a1d6686733cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
(1)求椭圆C的方程;
(2)试问在x轴上是否存在一个定点N,使得直线PQ必过该定点N?若存在,求出点N的坐标,若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2018/9/20/2036302449999872/2050544326721536/STEM/61b2176507a64258aa5694d041348ebb.png?resizew=116)
您最近一年使用:0次
2018-10-10更新
|
1736次组卷
|
3卷引用:广东省七校联合体2018-2019学年高二下学期开学考数学(理)试题
9 . 已知椭圆
的焦点在
轴上,中心在坐标原点,抛物线
的焦点在
轴上,顶点在坐标原点,在
、
上各取两个点,将其坐标记录于表格中:
(1)求
、
的标准方程;
(2)已知定点
,
为抛物线
上的一点,其横坐标为
,抛物线
在点
处的切线交椭圆
于
、
两点,求
面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() |
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
(2)已知定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86d85ac10137e90ed4041eaedcc8ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804c767ba8ba0ac1fc157fc345cea965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acfc9319b4dfcefd8f0bb0338f7cbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb6101e45f8d7013bc3dc4197188c0c.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/a9178fc8b5d65aa75fa9196294a0db7e.png)
您最近一年使用:0次
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解题方法
10 . 已知椭圆
的方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7de089c36dad606adf4286190d1ee03.png)
,其焦点在
轴上,点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
为椭圆上一点.
(1)求该椭圆的标准方程;
(2)设动点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
满足
,其中
、
是椭圆
上的点,直线
与
的斜率之积为
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7de089c36dad606adf4286190d1ee03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8197e4f3fd18815045d29c357a863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6a03c1e728c5e6d81afc3c23a16906.png)
(1)求该椭圆的标准方程;
(2)设动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a4781b020b879519321e05c299f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4122ddc651f14b0dbf141793188c1e2.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4818b8e315a1c68c788e21a275966bb7.png)
您最近一年使用:0次
2018-06-16更新
|
344次组卷
|
3卷引用:广东省中山一中2017-2018学年第二学期高二级第一次段考题文科数学试题