名校
1 . 已知椭圆C:
+
=1(a>b>0)的左、右顶点分别为A,B,离心率为
,点P
为椭圆上一点.
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531370389250048/2532148672299008/STEM/8b8a7806cf7b48da8e5b42762dfaf64d.png?resizew=208)
(1)求椭圆C的标准方程;
(2)如图,过点C(0,1)且斜率大于1的直线l与椭圆交于M,N两点,记直线AM的斜率为k1,直线BN的斜率为k2,若k1=2k2,求直线l斜率的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7355be4fcbc3130a5951364a3be76d6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5268413295580cfda0755ab458b36b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://img.xkw.com/dksih/QBM/2020/8/19/2531370389250048/2532148672299008/STEM/8b8a7806cf7b48da8e5b42762dfaf64d.png?resizew=208)
(1)求椭圆C的标准方程;
(2)如图,过点C(0,1)且斜率大于1的直线l与椭圆交于M,N两点,记直线AM的斜率为k1,直线BN的斜率为k2,若k1=2k2,求直线l斜率的值.
您最近一年使用:0次
2020-08-20更新
|
907次组卷
|
12卷引用:浙江省丽水市四校2019-2020学年高二上学期期中数学试题
浙江省丽水市四校2019-2020学年高二上学期期中数学试题江苏省南通市南通中学2019-2020学年高二上学期期中数学试题黑龙江省双鸭山市第一中学2019-2020学年高三上学期12月月考数学(文)试题(已下线)专题12 圆锥曲线的综合应用-《巅峰冲刺2020年高考之二轮专项提升》(江苏)湖南省长郡中学2019-2020学年高二上学期第二次模块检测数学试题2020届江苏省苏州中学高三上学期期初数学试题(已下线)考点27 椭圆的综合问题-2021年高考数学三年真题与两年模拟考点分类解读(新高考地区专用)(已下线)专题41 定比点差法、齐次化、极点极线问题、蝴蝶问题四川省仪陇马鞍中学校2021-2022学年高二下学期第一次月考理科数学试题(已下线)第五篇 向量与几何 专题11 圆锥曲线中的蝴蝶定理 微点2 圆锥曲线中的坎迪定理(已下线)重难点突破18 定比点差法、齐次化、极点极线问题、蝴蝶问题(四大题型)(已下线)微考点6-1 圆锥曲线中的非对称韦达定理问题(三大题型)
名校
2 . 已知
,
是椭圆
上的两点(点
在第一象限),若
,且直线
,
的斜率互为相反数,且
,则直线
的斜率为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc603fea876cbf85b1efcb5bab0d500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a29ba49963134a7232fa8574105fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0949e73d66422faa5b94a59a60d6e66f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
您最近一年使用:0次
2020-05-06更新
|
531次组卷
|
2卷引用:2020届浙江省台州市温岭中学高三下学期3月模拟测试数学试题
名校
解题方法
3 . 已知
,离心率
,焦点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/1a3c9746-690b-446b-8db7-4cb6efce29dc.png?resizew=189)
(1)求椭圆C的标准方程;
(2)设直线L与椭圆C相切于点A,过点A作关于原点O的对称点B,过点B作
,垂足为M,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7422cbdb4ad06d155abb2ccdb25ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d6f746c2355072d914591bf60c3801.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/1a3c9746-690b-446b-8db7-4cb6efce29dc.png?resizew=189)
(1)求椭圆C的标准方程;
(2)设直线L与椭圆C相切于点A,过点A作关于原点O的对称点B,过点B作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e295ac7583dd3c3bfe25881dcda60bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
您最近一年使用:0次
2020-04-23更新
|
415次组卷
|
2卷引用:浙江省“七彩阳光”新高考研究联盟2018-2019学年高二下学期期中联考数学试题
解题方法
4 . 如图,设抛物线
的焦点为F,点P是半椭圆
上的一点,过点P作抛物线C的两条切线,切点分别为A、B,且直线PA、PB分别交y轴于点M、N.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/db5c6a1e-193a-41d5-92bd-e5bf9343d233.png?resizew=129)
(1)证明:
;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/464dcac5a17aca4b544deef5438f2776.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/db5c6a1e-193a-41d5-92bd-e5bf9343d233.png?resizew=129)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47076f68751615b8ca169f7c81078b36.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d24963e01e516e09b2a6cc9ae3034abf.png)
您最近一年使用:0次
2022高三·全国·专题练习
解题方法
5 . 已知椭圆
,若存在过点
且相互垂直的直线
、
使得
、
与椭圆
均无公共点,则该椭圆离心率的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6b3879174d5dcf869d3eeab7c934c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
6 . 已知椭圆
的离心率为
,抛物线
与椭圆
在第一线象限的交点为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/c7ea486b-4313-4746-89e9-676ab97ebb1e.png?resizew=204)
(1)求曲线
、
的方程;
(2)在抛物线
上任取一点
,在点
处作抛物线
的切线
,若椭圆
上存在两点关于直线
对称,求点
的纵坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34cd31d723f2964f41221fc4014a74e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b87b151f60a54dc8156a69b145bb866.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/c7ea486b-4313-4746-89e9-676ab97ebb1e.png?resizew=204)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
7 . 已知椭圆
的长轴长为4,离心率为
.
(Ⅰ)求椭圆
的方程;
(Ⅱ)当
时,设
,过
作直线
交椭圆
于
、
两点,记椭圆
的左顶点为
,直线
,
的斜率分别为
,
,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1bc6c708fb34c2bd6d27b48092cc9eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.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/7eac9ba606fb477550aa62db7bfa0ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-07-11更新
|
5368次组卷
|
3卷引用:浙江省慈溪市2018-2019学年高二第二学期期末数学试题
名校
8 . 已知直线
与椭圆
恒有公共点,则实数m的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78c92d2350275a1d3dc05fc572dab97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9245bcd41d205729db25adb95f54274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-04-11更新
|
589次组卷
|
5卷引用:浙江省湖州市菱湖中学2018-2019学年高二12月月考数学试题
名校
9 . 已知椭圆
的右焦点为
,过点
且垂直于
轴的直线与椭圆相交所得的弦长为
.
求椭圆
的方程;
过椭圆内一点
,斜率为
的直线
交椭圆于
两点,设直线
(
为坐标原点)的斜率分别为
,若对任意
,存在实数
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d314b47d37c9f58e05ad11f3e68e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18704146ef2e010ebf1e70041d8766da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4a0933206a8cf9b253a3c850730214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f20d16994a1f0f00df3c9169e352c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2019-04-02更新
|
1355次组卷
|
6卷引用:专题13 解析几何中的范围、最值和探索性问题 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)
(已下线)专题13 解析几何中的范围、最值和探索性问题 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)【市级联考】四川省内江、眉山等六市2019届高三第二次诊断性考试数学(理)试题【全国百强校】黑龙江省鹤岗市第一中学2018-2019学年高二下学期期中考试数学(文)试题四川省眉山市2019-020学年高三第二次诊断性考试数学(理)试题广东省深圳市罗湖外语学校2020届高三下学期3月月考数学(理)试题(已下线)专题02 化繁为简,轻松驾驭解析几何运算有技巧(第五篇)-2020高考数学压轴题命题区间探究与突破
名校
10 . 已知椭圆C:
与动直线l:y=
x+m相交于A、B两点,则实数m的取值范围为_____ ;设弦AB的中点为M,则动点M的轨迹方程为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9627bf82da281e4b0a5d9e2a52e24906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
您最近一年使用:0次
2018-12-23更新
|
981次组卷
|
5卷引用:【全国百强校】浙江省余姚中学2018-2019学年高二上学期期中考试数学试题
【全国百强校】浙江省余姚中学2018-2019学年高二上学期期中考试数学试题广东省茂名市化州市2021-2022学年高二下学期期中数学试题人教A版(2019) 选修第一册 模块检测卷人教A版(2019) 选修第一册 数学奇书 第三章 圆锥曲线的方程 章末整合提升(已下线)高二上学期期中【常考60题考点专练】(选修一全部内容)-2022-2023学年高二数学考试满分全攻略(人教A版2019选修第一册)