名校
解题方法
1 . 已知椭圆
的左焦点为F,过点F的直线交椭圆于A,B两点,
的最大值与
的最小值的乘积是
.
(1)求该椭圆的标准方程;
(2)设线段
的中点为G,AB的垂直平分线与x轴交于D点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba93f78f8e705cabf558bdd69f9fe38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f20a5abdb5deef164c7d633c2c8fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530b46eaf82365b2261726e663970a91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2539d443235e30c4052326cd1e81a.png)
(1)求该椭圆的标准方程;
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b8fbe288f426c55b7a72ed32d43272.png)
您最近一年使用:0次
名校
2 . 已知椭圆的中心在原点,焦点在x轴上,长轴长为12,离心率为
,则椭圆的方程为__
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
您最近一年使用:0次
2021-10-19更新
|
651次组卷
|
3卷引用:安徽省芜湖市第一中学2021-2022学年高二上学期期中数学试题
名校
3 . 已知椭圆
的左,右焦点分别为
,P是C上一点,
垂直于x轴,
,则C的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5486ba56eb6e18c33510e40804c903e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-10更新
|
619次组卷
|
4卷引用:安徽省安庆市第二中学2021~2022学年高二上学期期中数学试题
解题方法
4 . 已知椭圆
的焦距为4,过焦点且垂直于
轴的弦长为
.
(Ⅰ)求椭圆
的方程;
(Ⅱ)过椭圆
右焦点的直线
交椭圆于点
,设椭圆的左焦点为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(Ⅱ)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7490886e2807c7b8a4fa57d99c4dc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238469e628fb2c454f176be31552cd0c.png)
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆
的离心率为
,
,
是椭圆
的左右焦点,
为椭圆上的一个动点,且
面积的最大值为
.
![](https://img.xkw.com/dksih/QBM/2021/8/30/2797323472347136/2798733286211584/STEM/b0048ad5-dc89-4f48-8b9d-6b798df9219b.png?resizew=304)
(1)求椭圆
的方程;
(2)过椭圆
的右焦点
作与
轴不垂直的直线
交椭圆于A,B两点,第一象限点
在椭圆上且满足
轴,连接
,
,记直线
,
,
的斜率分别为
,
,
,探索
是否为定值,若是求出;若不是说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://img.xkw.com/dksih/QBM/2021/8/30/2797323472347136/2798733286211584/STEM/b0048ad5-dc89-4f48-8b9d-6b798df9219b.png?resizew=304)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9a7ab181883910f06f7fbecc6ea25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa7d2c1ff8d3586ad374dbc41e9752e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/a8c4e4fca34fe14b8a05d6e99c3f1a35.png)
您最近一年使用:0次
2021-09-01更新
|
663次组卷
|
5卷引用:安徽省安庆市第二中学2021~2022学年高二上学期期中数学试题
解题方法
6 . 已知椭圆
的左、右焦点分别为
,点
分别为椭圆的左顶点与上顶点,
为坐标原点,
,且
的面积为
.
(1)求椭圆
的方程;
(2)设直线
与直线
平行,且与椭圆
交于
两点,当
与
的面积之比为
时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeee65bb7a50dc7c238fe7bd47cc5b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb5e378066bf7fd677fcb853479c040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
与直线
有且只有一个交点,点
、
分别为椭圆的上顶点和右焦点,且
.
(1)求椭圆
的标准方程;
(2)过定点
且斜率存在的直线
(不经过点
)与椭圆交于
,
两点,求证:直线
,
的斜率之和为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd993d0d4a7948df0cecb45b02b0242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13e21124c4aa1ed6b3111bfda622c67.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15adacb2237f1970a1bf617cd0ce5bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.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/f5e884ca9429486026caa5e2310b0e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd94d3c3765c52e2d6375f1959686430.png)
您最近一年使用:0次
2021-08-13更新
|
448次组卷
|
3卷引用:安徽省滁州市2020-2021学年高二下学期期中联考理科数学试题
名校
解题方法
8 . 求满足下列条件的曲线的方程:
(1)离心率为
,长轴长为8的椭圆的标准方程;
(2)与椭圆
有相同焦点,且经过点
的双曲线的标准方程.
(1)离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
(2)与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6805421c02564607d50de95a34613292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914290505aaa2b93883f906ccbdfdac4.png)
您最近一年使用:0次
2021-08-12更新
|
411次组卷
|
4卷引用:安徽省芜湖市2020-2021学年高二下学期期中联考文科数学试题
名校
解题方法
9 . 已知椭圆
的上、下焦点分别为
,离心率为
,点
是椭圆上一点,
的周长为
.
(1)求椭圆
的方程;
(2)过点
的动直线
交
于
两点,
轴上是否存在定点
,使得
总成立?若存在,求出定点
;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f04443a0c1cf4808aea741c9f9379b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5eb4f6a7cd67eb76bc9f8b353c4059d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce3060c2d71208a70746bffba9cc66.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0575f2f3232896798af0542d98bf3b2d.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111b7407405cff5b830fe0f7f491687d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2021-07-23更新
|
749次组卷
|
4卷引用:安徽省宣城中学2020-2021学年高二下学期期中文科数学试题
安徽省宣城中学2020-2021学年高二下学期期中文科数学试题内蒙古赤峰二中2021-2022学年高三上学期第一次月考数学(文)试题四川师范大学附属中学2021-2022学年高二下学期期中考试数学(理)试题(已下线)专题31 圆锥曲线存在性问题的五种类型大题100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)
名校
解题方法
10 . 已知圆
和点
,动圆
经过点
,且与圆
内切.
(1)求动圆的圆心
的轨迹
的方程;
(2)设点
关于点
的对称点为
,直线
与轨迹
交于
、
两点,若
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352611d80410dad2985ab5f5f923db32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求动圆的圆心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc3827b09caea067fe3b4617b655fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea8578ed02bbdaa1d8838483dbae5cc.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/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f29319f8bcfaa1b2cf21a930146431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2021-06-10更新
|
501次组卷
|
4卷引用:安徽省芜湖市2021-2022学年高二上学期期中联考数学试题
安徽省芜湖市2021-2022学年高二上学期期中联考数学试题重庆市2021届高三高考数学第三次联合诊断检测试题(已下线)3.1.2 椭圆的简单几何性质-2021-2022学年高二数学同步速效提升练(人教A版2019选择性必修第一册)【学科网名师堂】重庆市实验中学2021-2022学年高二上学期第二次阶段性测试数学试题