名校
解题方法
1 .
,
是椭圆
上两点,线段
的中点在直线
上,则直线
与
轴的交点的纵坐标的取值范围是__________ .
![](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/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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2020-04-25更新
|
937次组卷
|
2卷引用:2019届浙江省温州市普通高中高三上学期8月高考适应性测试数学试题
2 . 已知P为椭圆C:
上一个动点,F1、F2是椭圆C的左、右焦点,O为坐标原点,O到椭圆C在P点处的切线距离为d,若
,则d=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b55533d3623e8ce3e6cb7c4993360d43.png)
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2019-12-16更新
|
622次组卷
|
5卷引用:浙江省绍兴市嵊州市2020届高三下学期第三次教学质量调测数学试题
浙江省绍兴市嵊州市2020届高三下学期第三次教学质量调测数学试题浙江省七彩阳光联盟2018-2019学年高三下学期第三次联考数学试题2019年11月北京市清华大学中学生标准学术能力诊断性测试测试数学(理)试题(二卷)河南省顶级名校2019-2020学年高三尖子生11月诊断性检测数学(理)试卷(已下线)专题21 《圆锥曲线与方程》中的切线问题-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册)
名校
解题方法
3 . 过点
的直线
与椭圆
交于点
和
,且
.点
满足
,若
为坐标原点,则
的最小值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c488729678e74e0825c2e92b544b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/60b1b0cb0fd26bc3673024def007ebf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58942b62cc428626bea148f92e0aa962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb4cc09156a1234c822974433c7c66b.png)
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2019-09-06更新
|
2859次组卷
|
8卷引用:【校级联考】浙江省金丽衢十二校2019届高三第二次联考数学试题
【校级联考】浙江省金丽衢十二校2019届高三第二次联考数学试题(已下线)第02讲 平面向量的基本定理及坐标表示(讲)-《2020年高考一轮复习讲练测》(浙江版)四川省成都外国语学校2019-2020学年高二下学期期中考试数学(理)试题(已下线)专题6.2 平面向量的基本定理及坐标表示(精讲)-2021年新高考数学一轮复习学与练(已下线)专题6.2 平面向量的基本定理及坐标表示(讲)-2021年新高考数学一轮复习讲练测(已下线)第38讲 点差法与定比点差法-2022年新高考数学二轮专题突破精练(已下线)专题12 定比点差法及其应用 微点5 定比点差法综合训练(已下线)专题17 圆锥曲线常考压轴小题全归类(16大核心考点)(讲义)
4 . 已知
,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27bd29ca7ef74e563f80be8d55c6e35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bd3233c92fda9cb2bd52ba58a41a3f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知斜率为
的直线
经过点
,且直线
交椭圆
于
,
两个不同的点.
(I)若
,且
是
的中点,求直线
的方程;
(Ⅱ)若
随着
的增大而增大,求实数
的取值范围.
![](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/0655ce277211dd95ba3dfba6223181d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cf8996c08bf8a73baacf715e8e3928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a435736ae8bd57ab0299d5c684cc39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99c4909b2a6be11adc93158fb2230e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b353993900a5059dfaabe85314209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48760905d34c7b518e0000584925e410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 如图,已知离心率为
的椭圆
过点
作两条互相垂直的直线,分别交椭圆于
两点.
(1)求椭圆
方程;
(2)求证:直线
过定点,并求出此定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4754fbe523ca63eba3810a3f88f37df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2018/11/9/2071899112816640/2072679340548096/STEM/60378360-aa8d-4a02-b9be-85442f9dadf1.png?resizew=250)
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2018-11-10更新
|
663次组卷
|
5卷引用:【市级联考】浙江省温州九校2019届高三第一次联考数学试题
【市级联考】浙江省温州九校2019届高三第一次联考数学试题【校级联考】安徽省黄山市普通高中2019届高三11月“八校联考”数学(文)试题【全国百强校】宁夏银川一中2018-2019学年高二上学期期中考试期中数学(理)试题(已下线)本册内容复习卷(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版选修1-1)(已下线)本册内容复习卷(能力提升)-2020-2021学年高二数学单元测试定心卷(苏教版选修1-1)
名校
7 . 如图,焦点在
轴上的椭圆
与焦点在
轴上的椭圆
都过点
,中心都在坐标原点,且椭圆
与
的离心率均为
.
(Ⅰ)求椭圆
与椭圆
的标准方程;
(Ⅱ)过点M的互相垂直的两直线分别与
,
交于点A,B(点A、B不同于点M),当
的面积取最大值时,求两直线MA,MB斜率的比值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(Ⅱ)过点M的互相垂直的两直线分别与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c7b00bbc388a57080f7dab4aca8286.png)
![](https://img.xkw.com/dksih/QBM/2018/6/8/1962869359099904/1967931105730560/STEM/6ddb7ec866a94f8bba9908db07a7db3e.png?resizew=314)
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2018-06-15更新
|
911次组卷
|
3卷引用:【全国百强校】浙江省杭州市第二中学2018届高三仿真考数学试题
名校
8 . 设椭圆
左右焦点为
上顶点为
,离心率为
且
.
(Ⅰ)求椭圆
的方程;
(Ⅱ)设
是
轴正半轴上的一点,过点
任作直线
与
相交于
两点,如果
,是定值,试确定点
的位置,并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552c66eab5d8b4eadcd4ff9d90e90de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcaac2c2abd2e52141b59dd28cf9aa2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55433da32a5e004d220bf68f8d2cd56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce770244bffcb707f90efb53af37b875.png)
(Ⅰ)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a290d42857b498ea9296d8fcf7cc0dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa51ca4108628c9c8b79da7bb4deba1b.png)
![](https://img.xkw.com/dksih/QBM/2018/5/27/1954538235011072/1960849687928832/STEM/a8da274976214414a1806c03708b42f8.png?resizew=198)
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2018-06-05更新
|
766次组卷
|
2卷引用:【全国市级联考】浙江省金华市浦江县2018年高考适应性考试数学试题
解题方法
9 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
与圆
交于
两点,若椭圆
上有两个不同的点
关于直线
对称.
(Ⅰ)求实数
的取值范围;
(Ⅱ)求四边形
的面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2018/5/14/1945248628711424/2004830107312128/STEM/3a1782c1151846ed832c8dab04651317.png?resizew=190)
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2018-05-30更新
|
568次组卷
|
2卷引用:【全国市级联考】浙江省绍兴市2018届高三第二次(5月)教学质量调测数学试题
10 . 如图,过抛物线M:y=x2上一点A(点A不与原点O重合)作抛物线M的切线AB交y轴于点B,点C是抛物线M上异于点A的点,设G为△ABC的重心(三条中线的交点),直线CG交y轴于点D.
![](https://img.xkw.com/dksih/QBM/2018/4/23/1930385238294528/1932981909823488/STEM/bf6e61c93cd545638e06d35c7b092ae9.png?resizew=211)
(Ⅰ)设A(x0,x02)(x0≠0),求直线AB的方程;
(Ⅱ)求
的值.
![](https://img.xkw.com/dksih/QBM/2018/4/23/1930385238294528/1932981909823488/STEM/bf6e61c93cd545638e06d35c7b092ae9.png?resizew=211)
(Ⅰ)设A(x0,x02)(x0≠0),求直线AB的方程;
(Ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1de1fc85f1712c7ed787976a723944b4.png)
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