名校
1 . 已知抛物线
的焦点与椭圆
的右焦点相同.
(1)求抛物线
的方程;
(2)若直线
与曲线
,
都只有一个公共点,记直线
与抛物线
的公共点为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d624a18acd4fccfedaf984862adc004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d323869f1ee79f8d629fe70d72c538fb.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
2 . 已知椭圆
与x轴负半轴交于
,离心率
.
(1)求椭圆C的方程;
(2)设直线
与椭圆C交于
两点,连接AM,AN并延长交直线x=4于
两点,若
,直线MN是否恒过定点,如果是,请求出定点坐标,如果不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
(1)求椭圆C的方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7d5b7a335fb30a034976287aee9e05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de609fe5eec3acd8bb727e76b3774679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9c396aa08378615623bc019d6a2831.png)
您最近一年使用:0次
2020-01-01更新
|
910次组卷
|
6卷引用:四川省成都市第七中学2019年高三零诊模拟数学(理)试题
名校
3 . 已知椭圆
:
的左,右焦点分别为
,
,且经过点
.
(Ⅰ)求椭圆
的标准方程;
(Ⅱ)过点
作一条斜率不为
的直线
与椭圆
相交于
两点,记点
关于
轴对称的点为
.证明:直线
经过
轴上一定点
,并求出定点
的坐标.
![](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/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b87b151f60a54dc8156a69b145bb866.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/729a5357eba25f80b14c35a9317db5ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.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/4dd8cb171425253834dfd7fa1a9da9ba.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/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4ca80c5dcdc6c8e3c5065462a9a2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2019-10-29更新
|
736次组卷
|
2卷引用:2019年四川省成都市零模数学(文)试题
名校
4 . 已知椭圆
的两个焦点分别为
,长轴长为
.
(Ⅰ)求椭圆
的标准方程及离心率;
(Ⅱ)过点
的直线
与椭圆
交于
,
两点,若点
满足
,求证:由点
构成的曲线
关于直线
对称.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5439f5ff9bd5deec0f0ef35c6f605b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)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/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/781b183ab353b9ec98f0f57b722f546e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6a27a9d5d345f1e04020bfea2770ac.png)
您最近一年使用:0次
2019-06-04更新
|
1519次组卷
|
10卷引用:2019年12月四川省成都市双流区棠湖中学一模数学(理)试题
2019年12月四川省成都市双流区棠湖中学一模数学(理)试题2019年12月四川省成都市双流区棠湖中学一模数学(文)试题【区级联考】北京市通州区2019届高三4月第一次模拟考试数学(理科)试题2020届四川省宜宾市第四中学校高三上学期期末考试数学(理)试题2020届四川省宜宾市第四中学校高三上学期期末考试数学(文)试题(已下线)2020届高三12月第01期(考点08)(文科)-《新题速递·数学》(已下线)2020届高三12月第01期(考点08)(理科)-《新题速递·数学》(已下线)专题06 平面向量在解析几何中的应用(第五篇)-2020高考数学压轴题命题区间探究与突破(已下线)专题05 平面解析几何——2020年高考真题和模拟题文科数学分项汇编(已下线)专题1 解析几何与平面向量
名校
5 . 已知椭圆
的左右焦点分别为
,过
作倾斜角为
的直线与椭圆交于
两点,且
,则椭圆的离心率=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f392d61933568d27a27568c6298365bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b6a4431e74ca168469d530ee9c2e26.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-05-27更新
|
2482次组卷
|
8卷引用:【市级联考】四川省宜宾市2019届高三第三次诊断性考试数学(理)试题
【市级联考】四川省宜宾市2019届高三第三次诊断性考试数学(理)试题2020届宁夏石嘴山市第三中学高三第三次模拟考试数学(文)试题2020届开卷教育联盟全国高三模拟考试(五)数学文科试题(已下线)狂刷46 直线与圆锥曲线的位置关系-学易试题君之小题狂刷2020年高考数学(理)山西省实验中学2020-2021学年高二上学期第三次月考数学(理)试题(已下线)专题06 离心率-2021年高考数学二轮复习解题技巧汇总(新高考地区专用)福建省漳平市第一中学2019-2020学年高二上学期第二次月考数学试题(已下线)专题8-3 圆锥曲线小题综合 (讲+练)-1
6 . 设椭圆
的左右焦点分别为
、
,上下顶点分别为
、
,直线
与该椭圆交于
、
两点.若
,则直线
的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86dbcf83cd5d3421b3eed7be7dab32d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3b6fc725cde7d233f7a504b5d2a066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 已知椭圆
的左、右焦点为
,点
在椭圆
上.
(1)设点
到直线
的距离为
,证明:
为定值;
(2)若
是椭圆
上的两个动点(都不与
重合),直线
的斜率互为相反数,求直线
的斜率(结果用
表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760bd93d5a6ad75058e8bae95a11069f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abedcf37f40acfa7f98de02052ab5704.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/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2019-04-26更新
|
837次组卷
|
5卷引用:【校级联考】四川省百校2019届高三模拟冲刺卷文科数学试题
名校
8 . 已知动点E到点A(2,0)与点B(-2,0)的直线斜率之积为-
,点E的轨迹为曲线C.
(1)求曲线C的方程;
(2)过点D(l,0)作直线l与曲线C交于P,Q两点,且
=-
.求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10402e4ddd0d323cc1ae83801ae976db.png)
(1)求曲线C的方程;
(2)过点D(l,0)作直线l与曲线C交于P,Q两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e44eb4cd53fa5f9ceb65000d543d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ec5efba5a2b7fb879ffd79fcf73ff03.png)
您最近一年使用:0次
2019-04-16更新
|
485次组卷
|
2卷引用:【市级联考】四川省巴中市2019届高三零诊考试数学(文)试题
名校
解题方法
9 . 已知椭圆
的短轴长为
,离心率为
.
(1)求椭圆
的标准方程;
(2)设椭圆
的左,右焦点分别为
,
左,右顶点分别为
,
,点
,
,为椭圆
上位于
轴上方的两点,且
,记直线
,
的斜率分别为
,
,若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014fb9d469a4b0b8a907ac416ad13585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67bee78e4e358531389b3aad07e70bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/b52bf9ef0c73a02ae8e00a1cf2bc3a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1165830b314a0dab65ea267e82bd3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07377d977ef6a8f518b3004564544e5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f375dc5addedc5f9fbb72d566939c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/731f980ccb6f902d460d0ea2920bfe2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50966bb96e1a1f8fab767dd136f4d504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00f1a1dd489cffe5096baa06bb77b0c.png)
您最近一年使用:0次
2019-04-14更新
|
2108次组卷
|
9卷引用:【市级联考】四川省成都市2019届高三毕业班第二次诊断性检测数学(理)试题
【市级联考】四川省成都市2019届高三毕业班第二次诊断性检测数学(理)试题四川省泸州市古蔺县蔺阳中学校2024届高三下学期二诊模拟考试理科数学试题天津市河北区2020届高考二模数学试题四川省成都市第七中学2023-2024学年高三上学期期末考试文科数学试卷四川省成都市第七中学2024届高三上学期期末数学(理)试题四川省宜宾市兴文第二中学校2024届高三上学期期末数学(文)试题四川省兴文第二中学校2023-2024学年高三上学期2月期末理科数学试题人教A版(2019) 选择性必修第一册 必杀技 第三章 圆锥曲线的方程 专题4 直线与圆锥曲线的综合问题天津市(芦台一中、静海一中、蓟州一中等)六校2020-2021学年高二上学期期中联考数学试题
10 . 已知点M到定点
的距离和它到直线
的距离的比是常数
.
求点M的轨迹C的方程;
若直线l:
与圆
相切,切点N在第四象限,直线与曲线C交于A、B两点,求证:
的周长为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b3934065616c2e80d4be67a68291d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a532ae111a45852e8824cab3258e3b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba564f8149fb98ee50c4012f06708382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91570f6a5d4fdf7c757212083f2f06af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4c3d1d76ee04f281aaef5f99a41a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91951d25de4e2789191ca07c230834e.png)
您最近一年使用:0次