名校
解题方法
1 . 已知椭圆
:
的左、右焦点分别为
,
,长轴长为4,点
在椭圆
外,点
在椭圆
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/a818c7b7f571f7173feb9b73424d5ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() |
B.当椭圆![]() ![]() ![]() ![]() |
C.存在点![]() ![]() |
D.![]() |
您最近一年使用:0次
2 . 如图,矩形ABCD中,
,
.E,F,G,H分别是矩形四条边的中点,R,S,T是线段OF的四等分点,
,
,
是线段CF的四等分点.证明直线ER与
、ES与
、ET与
的交点L,M,N都在椭圆
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f85a3076e69de5347acc7251a329d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b200a12c5d90ebe26825315b53504a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bbd217b46c20ecf533c0641ebb7ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e01c77ea8aec0f14e3e6c37ed374cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91493d8357a3e4c3d121d60bf11f1f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd798d1a9250003951df0578a1f5a8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4b919c7403a0adc47e84228cbeba3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
您最近一年使用:0次
2021-02-06更新
|
1013次组卷
|
4卷引用:人教A版(2019) 选择性必修第一册 新高考名师导学 第三章 3.1 椭圆
人教A版(2019) 选择性必修第一册 新高考名师导学 第三章 3.1 椭圆(已下线)3.1.2 (分层练)椭圆的简单几何性质-2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)(已下线)3.1 椭圆人教A版(2019)选择性必修第一册课本习题 习题 3.1
3 . 如图,矩形ABCD中,
,
,E,F,G,H分别是矩形四条边的中点,R,S,T是线段OF的四等分点,
,
,
是线段CF的四等分点,分别以HF,EG为x,y轴建立直角坐标系,设ER与
、ER与
分别交于
,
,ES与
、ES与
交于
,
,ET与
交于点N,则下列关于点
,
,
,
,N与两个椭圆:
:
,
:
的位置关系叙述正确的是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/cb83c2b8-22eb-4f33-a37e-e4c4ffb94456.png?resizew=270)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bbd217b46c20ecf533c0641ebb7ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e01c77ea8aec0f14e3e6c37ed374cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91493d8357a3e4c3d121d60bf11f1f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4b919c7403a0adc47e84228cbeba3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd798d1a9250003951df0578a1f5a8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4b919c7403a0adc47e84228cbeba3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de4b919c7403a0adc47e84228cbeba3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbd49bf20f987c05b4d36e31549075c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82a5421934348a612982ca099723b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a47fd46072cd717442cb378d431ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4455cb5ef8fa02f8740a01ea658ed7fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef9793c30377986297f49e9a9e1c440.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/cb83c2b8-22eb-4f33-a37e-e4c4ffb94456.png?resizew=270)
A.三点![]() ![]() ![]() ![]() ![]() | B.![]() ![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() ![]() ![]() | D.![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
4 . 已知
为椭圆
:
的右焦点,点
,
,
为椭圆
上三点,当
时,称
为“和谐三角形”,则“和谐三角形”有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8a135f2af73c605e67eb0b4c8d167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
A.0个 | B.1个 | C.3个 | D.无数个 |
您最近一年使用:0次
2020-01-31更新
|
502次组卷
|
2卷引用:江苏省常州市2019-2020学年高二上学期期末数学试题
名校
5 . 已知椭圆C:
的右焦点为F,点A(−2,2)为椭圆C内一点.若椭圆C上存在一点P,使得|PA|+|PF|=8,则m的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b66d31e39079f053f16e2b1fc69bf2.png)
A.![]() | B.[9,25] |
C.![]() | D.[3,5] |
您最近一年使用:0次
2019-01-12更新
|
1346次组卷
|
5卷引用:【市级联考】四川省绵阳市2019届高三第二次(1月)诊断性考试数学(文)试题
【市级联考】四川省绵阳市2019届高三第二次(1月)诊断性考试数学(文)试题(已下线)2019年5月19日《每日一题》(文科)四轮复习—— 押高考数学第11题(已下线)2019年5月19日 《每日一题》(理科)四轮复习—— 押高考数学第11题四川省成都外国语学校2020-2021学年高二上学期12月月考数学(文)试题(已下线)类型二 椭圆、双曲线、抛物线-【题型突破】备战2022年高考数学二轮基础题型+重难题型突破(新高考专用)
名校
6 . 已知椭圆C:
的右焦点为F,点A(一2,2)为椭圆C内一点.若椭圆C上存在一点P,使得|PA|+|PF|=8,则m的最大值是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b66d31e39079f053f16e2b1fc69bf2.png)
您最近一年使用:0次
2019-01-12更新
|
856次组卷
|
3卷引用:【市级联考】四川省绵阳市2019届高三第二次(1月)诊断性考试数学理试题