1 . 已知椭圆
的左右焦点分别为
,过
且倾斜角为
的直线交
于第一象限内一点
.若线段
的中点在
轴上,
的面积为
,则
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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.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/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知曲线C:
(
),从C上任意一点P向x轴作垂线段
,
为垂足,则线段
的中点M的轨迹方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d0c904d3a7567e9b41314fc34242e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9454574ca7215c2c2156005bceeb0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d0c904d3a7567e9b41314fc34242e6.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
7日内更新
|
5943次组卷
|
7卷引用:2024年新课标全国Ⅱ卷数学真题
2024年新课标全国Ⅱ卷数学真题(已下线)2024年高考数学真题完全解读(新高考Ⅱ卷)专题08平面解析几何(已下线)2024年新课标全国Ⅱ卷数学真题变式题1-5专题08[2837] 平面解析几何(已下线)五年新高考专题10平面解析几何(已下线)三年新高考专题10平面解析几何
名校
解题方法
3 . 已知焦点在
轴上的椭圆的离心率为
,焦距为
,则该椭圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d74ef32584586ec4857acd0a3f4fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 若方程
表示焦点在
轴上的椭圆,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1765778116be68115ba9271c185262bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2024-06-10更新
|
331次组卷
|
2卷引用:河南省部分学校2024届高三5月份大联考数学试卷
名校
5 . 已知圆
,直线
,方程
,则“圆
与直线
相切”是“方程
表示的曲线为椭圆”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cadc2a6ae4ac51ad58567d0a352befd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03c995df016f9f211f419995919d045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e11b62c6594899bbc96c1547210f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.充分非必要条件 | B.必要非充分条件 | C.充要条件 | D.既非充分也非必要条件 |
您最近一年使用:0次
6 . 若抛物线
的焦点是椭圆
的一个顶点,则
的值为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d12ebd10f6c0bcf98be52c32b107f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
(
)的左、右焦点分别为
,
,过点
的直线
交椭圆于
两点,若
的最小值为
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de0a2df7aacb6d7ffdf69893d9199cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a920b81877c5de047bc797eb6f608e5f.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2401bc9c26cc3b0b8384c7139bd58fff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0874f019492261eb175bdcc08c189d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e590893c33bc34c75de17f298420ddf.png)
您最近一年使用:0次
8 . 已知圆
内切于圆
,圆
内切于圆
,则动圆
的圆心的轨迹方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3bb3154d6b2cecdfe27e03d7a16eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f5c0404bf281e3c4bfa7c8a6e803cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆C的焦点
、
都在x轴上,P为椭圆C上一点,
的周长为6,且
,
,
成等差数列,则椭圆C的标准方程为______ .
![](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/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ef569668e797b1e94257fd5f4384dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdfc6a59392d1ac3cd89ddc0308864c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fa27f8db6167d4802a510371077bb5.png)
您最近一年使用:0次
10 . 椭圆
的焦距为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d19b083ab9e3aa3706e0fe6e650944.png)
A.2 | B.4 | C.6 | D.8 |
您最近一年使用:0次