名校
解题方法
1 . 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)
您最近一年使用:0次
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)
名校
2 . 已知椭圆
:
的右焦点为
,
为椭圆
的左顶点,
为椭圆
上异于
的动点,直线
与直线
交于第一象限的点
.若
与
的面积之比为
,则点
的坐标为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/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/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77613db85ffeb465c581955c4b2885ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3cbfdd47ac056dbdaa681462aa9433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
3 . 已知椭圆
的方程为
,
,
为椭圆
的左右顶点,
为椭圆
上不同于
.
的动点,直线
与直线
,
分别交于
,
两点,若
,则过
,
,
三点的圆必过
轴上不同于点
的定点,其坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def6b1847098dd39d653c77786cb4eba.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/dad2a36927223bd70f426ba06aea4b45.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cc033406da2cdd342308972c6701f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3050e2c54f4301840e941118c8a584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
4 . 若两函数
与
的图像有两个交点
、
,
是坐标原点,
是锐角三角形,则实数
的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30be9baff9da707f2b7cd008a6e686f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeaa14a6b12fd03c165690decd0313bd.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
5 . 若两函数
与
的图象有两个交点
、
,
是坐标原点,当
是直角三角形时,则满足条件的所有实数
的值的乘积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30be9baff9da707f2b7cd008a6e686f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeaa14a6b12fd03c165690decd0313bd.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-02-03更新
|
219次组卷
|
2卷引用:2016届上海市闵行区高三4月质量调研(二模)(文)数学试题
6 . 已知椭圆
:
,点
为椭圆外一点,过点
向椭圆作两条切线,当两条切线相互垂直时,点
在一个定圆上运动,则该定圆的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
名校
7 . 已知椭圆
的上顶点为
,直线
与该椭圆交于
两点,且点
恰为
的垂心,则直线
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99675fa03da205c4499967c9d908412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2019-01-26更新
|
2412次组卷
|
6卷引用:【市级联考】浙江省绍兴市2018-2019学年高二上学期期末调研测试数学试题
【市级联考】浙江省绍兴市2018-2019学年高二上学期期末调研测试数学试题甘肃省张掖市第二中学2021-2022学年高三上学期10月月考数学理科试题(已下线)专题27 圆锥曲线与四心问题 微点4 圆锥曲线与垂心问题(已下线)专题27 圆锥曲线与四心问题 微点5 圆锥曲线与四心问题综合训练(已下线)专题30 圆锥曲线与四心问题4种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)(已下线)专题8 圆锥曲线与三角形四心问题【练】(压轴小题大全)
名校
8 . 以下五个关于圆锥曲线的命题中:
①平面内与定点A(-3,0)和B(3,0)的距离之差等于4的点的轨迹为
;
②点P是抛物线
上的动点,点P在y轴上的射影是M点A的坐标是A(3,6),则
的最小值是6;
③平面内到两定点距离之比等于常数
的点的轨迹是圆;
④若过点C(1,1)的直线
交椭圆
于不同的两点A,B,且C是AB的中点,则直线
的方程是
.
⑤已知P为抛物线
上一个动点,Q为圆
上一个动点,那么点P到点Q的距离与点P到抛物线的准线距离之和的最小值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fdc034b4d20f15869d4c79b8161a0b.png)
其中真命题的序号是______ .(写出所有真命题的序号)
①平面内与定点A(-3,0)和B(3,0)的距离之差等于4的点的轨迹为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dad0c75ce33673ec4c425896e8619e4.png)
②点P是抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bf9745b2e4505e5304ebda38f71906.png)
③平面内到两定点距离之比等于常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5532211b42702f7b281834d500c666d5.png)
④若过点C(1,1)的直线
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d717a25a45873801c0e6c1cba9468cd.png)
⑤已知P为抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23afc43a8c5b8cfe6bf2a1caed920c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a14af2a16ad9ca9d5636a38d09caac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fdc034b4d20f15869d4c79b8161a0b.png)
其中真命题的序号是
您最近一年使用:0次
9 . 已知过椭圆
上一点
的切线方程为
,若
分别交
轴于
两点,则当
最小时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e72358a12f923519a407a46c07f5d33.png)
__________ .(
为坐标原点)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74b54fca09a55c3720426e2dc4dfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e72358a12f923519a407a46c07f5d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2019-01-15更新
|
631次组卷
|
2卷引用:【市级联考】河北省保定市2019届高三上学期期末考试数学(文)试题
名校
10 . 已知椭圆C:
的短轴长为2,离心率为
,设过右焦点的直线l与椭圆C交于不同的两点A,B,过A,B作直线
的垂线AP,BQ,垂足分别为P,
记
,若直线l的斜率
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2600a54b7bf3f79aaec7d49a47f6b4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588733fbcbe2c43c0f2a9e299e9c1ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf8bcce87af6042008e487b6505b6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ed42661da780be03558a916c228e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次