名校
1 . 已知实数x,y满足方程
.
(1)求
的值;
(2)设
与
是方程组
两组不同的解,其中
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb6812158ca2a3082bd13ca07578f0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1afbc87ccffbc98b9ab58df8c69bee.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99307ab4373fbe72422ae5aa980db61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41039d45e37899d233232de3d802b105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccee8eb181dc117834582bc433eca559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab3cf6695638d5bcd26580174d7cbf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da3ff6f17be99ec311610efa08ba002.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
的方程为
分别是
的左、右焦点,
是
的上顶点.
(1)设直线
与椭圆
的另一个交点为
,求
的周长;
(2)给定点
,直线
分别与椭圆
交于另一点
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4d71bc82013ca56b0f050073fcec76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
(2)给定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee7ff8d52a34b3b2c36cd46ddd3a423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb5628b562b6e418f42c49def0283c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
您最近一年使用:0次
3 . 如图,已知直线
与抛物线
交于
两点,且
交
于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd436ca3680ce9f9cba4b052ccdd9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.若点![]() ![]() ![]() |
B.直线![]() ![]() |
C.点![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-03-22更新
|
287次组卷
|
2卷引用:江西省宜春市高安二中,丰城九中,樟树中学,万载中学,宜丰中学五校联考2023-2024学年高一下学期期中考试数学试题
4 . 已知双曲线
.
(1)求上焦点
的坐标;
(2)若动点
在双曲线的上支上运动,求点
到
的距离的最小值,并求此时
的坐标;
(3)若
为双曲线的上顶点,直线
与双曲线交于C、D两点(异于点
),
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddacb9233c23d3c83c8d9cff313d669.png)
(1)求上焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
(2)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3325d357e4e3a160e6cc357cac2c1543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4147f37263dc5cdebcf9d53b758977dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf6e750ebbb7b47b17d1c4f21be76d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-01-20更新
|
248次组卷
|
2卷引用:上海市扬子中学2023-2024学年高一下学期期中考试数学试题
解题方法
5 . 已知抛物线
,
(1)若该抛物线的焦点
到准线的距离为1,求抛物线的标准方程;
(2)若
,O为坐标原点,斜率为2且过焦点
的直线
交此抛物线于A、B两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
(1)若该抛物线的焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
![](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/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
2024-01-20更新
|
163次组卷
|
2卷引用:上海市扬子中学2023-2024学年高一下学期期中考试数学试题
名校
6 . 已知双曲线
的左、右焦点分别为
,
,离心率为
,焦点到渐近线的距离为1.
(1)求双曲线的标准方程;
(2)过点
的直线
与双曲线的右支相切于点
,与
平行的直线
与双曲线交于
,
两点,与直线
交于点
.是否存在实数
,使得
?若存在,求实数
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.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/839c7616cd0d90265f4b2c9c021254fe.png)
(1)求双曲线的标准方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11306a119e329f68328f66705e7435ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2023-12-23更新
|
1422次组卷
|
5卷引用:江苏省南菁高级中学实验班2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
7 . 抛物线
的焦点为F,点P在双曲线C:
的一条渐近线上,O为坐标原点,若
,则△PFO的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1892b7c3cd7bea116f532f66fba44662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed17f4db68dc27528e1ea44ec8c7563f.png)
A.1 | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-11-19更新
|
905次组卷
|
5卷引用:江苏省南菁高级中学实验班2023-2024学年高一下学期期中考试数学试卷
江苏省南菁高级中学实验班2023-2024学年高一下学期期中考试数学试卷江苏省南京市江宁区东山高级中学三校联考2023-2024学年高三上学期期中调研考试数学试题江苏省连云港市灌云高级中学2024届高三上学期第一次月考数学试题(已下线)3.3.1 抛物线及其标准方程(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)期末考试押题卷二(考试范围:苏教版2019选择性必修第一册)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第一册)
名校
解题方法
8 . 已知椭圆
的左、右焦点分别为
,
,M为C上任意一点,N为圆
上任意一点,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/635e163410277bc3f5645649c4b5d35b.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/a4fd2cffe6566b741c266002d6dbb97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791c2c30553148b122d2605e8c961071.png)
您最近一年使用:0次
2023-11-16更新
|
688次组卷
|
8卷引用:上海市扬子中学2023-2024学年高一下学期期中考试数学试题
上海市扬子中学2023-2024学年高一下学期期中考试数学试题湖南省长沙市长沙县第二中学2023-2024学年高二上学期期中数学试题湖南省五市十校教研教改共同体2023-2024学年高二上学期期中联考数学试题江西省鹰潭市贵溪一中2023-2024学年高二上学期第二次月考数学试题安徽省淮北市实验高级中学2023-2024学年高二上学期期末考试数学试题(已下线)2.2.1 椭圆的标准方程(十三大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)河北省深州中学2023-2024学年高二上学期期末考试数学试题(已下线)专题02圆锥曲线全章复习攻略--高二期末考点大串讲(沪教版2020选修一)
解题方法
9 . 已知椭圆
的上、下顶点分别为
,已知点
在直线
:
上,且椭圆的离心率
.
(1)求椭圆的标准方程;
(2)设
是椭圆上异于
的任意一点,
轴,
为垂足,
为线段
的中点,直线
交直线
于点
,
为线段
的中点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de85df85401e7e8da683ea4a784963c.png)
(1)求椭圆的标准方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28144f4eee678c7f2688b21261149d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/d50703c46b6153945d718b198f03b4b5.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef3b15b15b48a4e45d960f97f5967e0.png)
您最近一年使用:0次
名校
解题方法
10 . 已知抛物线,直线
,
,
为
上的动点,则点
到
与
的距离之和的最小值为( )
A.3 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2023-04-10更新
|
415次组卷
|
3卷引用:江西省景德镇一中2022-2023学年高一(19班)下学期期中考试数学试题.