已知椭圆
的离心率为
,左,右焦点分别为
,
,
为椭圆上一点(异于左,右顶点),且
的周长为6,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.椭圆![]() | B.椭圆![]() ![]() |
C.![]() ![]() | D.椭圆![]() ![]() ![]() |
22-23高二上·江苏南通·期末 查看更多[4]
(已下线)江苏省南通市如皋市2022-2023学年高二上学期期末数学试题江苏省盐城市实验高级中学2022-2023学年高二下学期期中数学试题甘肃省天水市甘谷县第四中学2022-2023学年高二上学期期末数学试题浙江省舟山中学2023-2024学年高二上学期第一次素养测评数学试题
更新时间:2023-01-20 17:31:03
|
相似题推荐
多选题
|
适中
(0.65)
解题方法
【推荐1】椭圆C:
的左、右焦点分别为
和
,
为椭圆上一点,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.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/dad2a36927223bd70f426ba06aea4b45.png)
A.过点![]() ![]() |
B.若![]() ![]() ![]() |
C.椭圆C上存在点P,使得![]() |
D.![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
解题方法
【推荐2】椭圆
的左、右两焦点分别是
,其中
.过左焦点的直线与椭圆交于
两点.则下列说法中正确的有( )
![](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/c21b2006b5b4095ac23eca5cbc032e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐1】一般地,我们把离心率
的椭圆称为“黄金椭圆”,则下列命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d393bb07b7140905b85f550519de4.png)
A.若椭圆![]() ![]() |
B.在![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.过黄金椭圆![]() ![]() ![]() ![]() ![]() |
D.设![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
【推荐2】已知椭圆C:
的左、右焦点分别为
,
焦距为
,离心率为
,P为椭圆左半边上一点,连接
交y轴于点N,
,其中O为坐标原点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfbfcfe248439929f0b33f712471b0f.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/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0857c5a214d495ba7cdd52edd0636897.png)
A.椭圆的长轴长为3 |
B.![]() |
C.若点Q在椭圆C上,则![]() ![]() |
D.点P到x轴的距离为![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
【推荐1】已知点
,动点
满足
表示斜率,
,动点
的轨迹加上
两点构成曲线
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9c11cc36320090d0aaf0c621a63b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b87828f54a08ca2a1439e0a04c4a6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171cde70c10a8c09596ac78c0b1addc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.若点![]() ![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
解题方法
【推荐2】已知椭圆
的左、右焦点分别为
,
,点P在C上,且
的最大值为3,最小值为1,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.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/f4ef569668e797b1e94257fd5f4384dd.png)
A.椭圆C的离心率为![]() |
B.![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
名校
【推荐1】已知
,
为椭圆
的左、右焦点,
在
上,下列说法正确的是( )
![](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/4e0b4bbfa0ed04cd3c2454d99d64e29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() |
C.存在点![]() ![]() | D.存在点![]() ![]() |
您最近一年使用:0次
多选题
|
适中
(0.65)
解题方法
【推荐2】椭圆
的两个焦点分别为
,
,
为坐标原点,以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.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/1dde8112e8eb968fd042418dd632759e.png)
A.椭圆![]() ![]() |
B.椭圆![]() ![]() ![]() |
C.过点![]() ![]() ![]() ![]() ![]() ![]() |
D.定义曲线![]() ![]() ![]() ![]() |
您最近一年使用:0次