名校
1 . 定义:如果曲线段
可以一笔画出,那么称曲线段
为单轨道曲线 ,比如圆、椭圆都是单轨道曲线;如果曲线段
由两条单轨道曲线构成,那么称曲线段
为双轨道曲线 .对于曲线
有如下命题:
存在常数
,使得曲线
为单轨道曲线;
存在常数
,使得曲线
为双轨道曲线.下列判断正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14884a97cc2e3321b7fb6f6de2f31fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-13更新
|
603次组卷
|
9卷引用:上海市吴淞中学2023-2024学年高二上学期期末质量检测数学试卷
上海市吴淞中学2023-2024学年高二上学期期末质量检测数学试卷上海市同济大学第一附属中学2023-2024学年高二上学期期末考试数学试卷(已下线)专题03 圆 曲线与方程(九大题型+优选提升题)-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(沪教版2020选择性必修,上海专用)(已下线)第1章 坐标平面上的直线 (压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)(已下线)2.5 曲线与方程(五大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)第2章 圆锥曲线(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)上海市青浦区2024届高三上学期期终学业质量调研数学试题(已下线)专题07 解析几何(三大类型题综合)15区新题速递(已下线)专题01 集合(15区真题速递)
名校
解题方法
2 . 如图,某同学用两根木条钉成十字架,制成一个椭圆仪.木条中间挖一道槽,在另一活动木条
的
处钻一个小孔,可以容纳笔尖,
各在一条槽内移动,可以放松移动以保证
与
的长度不变,当
各在一条槽内移动时,
处笔尖就画出一个椭圆
.已知
,且
在右顶点时,
恰好在
点,则
的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/5/c8320702-1e97-4658-967f-4eab2c28e36d.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/300d23c67610bf941f57edf1359dfbb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/5/c8320702-1e97-4658-967f-4eab2c28e36d.png?resizew=188)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-05-04更新
|
1053次组卷
|
5卷引用:江西省大余中学2022-2023学年高二下学期期末学情调研数学试题
3 . 已知双曲线C:
定义:把双曲线
的虚轴保持不变,渐近线的斜率变为原来渐近线斜率的两倍得到的曲线称为曲线
的“
线”,把双曲线
的左支向右平移
个单位,把它的右支向左平移
个单位得到的曲线称为曲线
的“
-线”,若双曲线
是等轴双曲线,且焦距等于
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/4c91a0eb-1442-46fa-bc3a-7a4cce048598.png?resizew=190)
(1)求双曲线
的“
-线”和“
-线”;
(2)若由“
-线”和“
-线”围成的封闭曲线上的点集都在圆
内或圆
上,求半径最小时圆
的方程,并在坐标系中用尺规作图画出该封闭曲线和圆
大致图像.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4446f654cf8401b640cc79c2b97af5db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/7/4c91a0eb-1442-46fa-bc3a-7a4cce048598.png?resizew=190)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(2)若由“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
解题方法
4 . 如图,在三棱锥V-ABC中,P是棱VA的中点,
平面
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/c69096e7-bdd2-4db5-b1f8-80856c3b6ab5.png?resizew=170)
(1)在图中画出
与三棱锥V-ABC表面的交线,写出画法并说明理由;
(2)若
平面ABC,
,VA=AB=BC,求
与平面VAB夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9fe3c7e943c3beb7f4bbf345822064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbcbc9f69baa9978d60489a2da4bc2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/c69096e7-bdd2-4db5-b1f8-80856c3b6ab5.png?resizew=170)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c439e4e4e48b17e19e666d892216fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3ea409281fb7e9d5865bad15f98c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
5 . 如图,已知正方体
的上底面内有一点
,点
为线段
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/acc4fb82-f5ef-4449-b4f4-46e21dee4b20.png?resizew=176)
(1)经过点
在上底面画一条直线
与
垂直,并说明画出这条线的理由;
(2)若
,求
与平面
所成角的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/acc4fb82-f5ef-4449-b4f4-46e21dee4b20.png?resizew=176)
(1)经过点
![](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/4eedae8d316c76e3d0b451256de03fb9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bde6d6ab9706c59659c1f16f415825d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7865126ef23077f3ed6832899a600732.png)
您最近一年使用:0次
2021-11-08更新
|
315次组卷
|
2卷引用:湖北省武汉市武昌区2022-2023学年高二下学期期末数学试题
21-22高二上·全国·课前预习
解题方法
6 . 求双曲线
的半实轴长、半虚轴长、焦点坐标、离心率、渐近线方程,并画出该双曲线的草图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637b37bc4d20fd048a0ebcf74673033e.png)
您最近一年使用:0次
21-22高二·全国·课后作业
7 . 求椭圆
的长轴和短轴的长、离心率、焦点和顶点的坐标,并用描点法画出它的图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d3fe3550f7b5a5f5f4d79dc67f674a.png)
您最近一年使用:0次
名校
8 . 如图,在四棱锥
中,平面
平面
,
,
,
,
,
,
,
分别为
,
的中点,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3a8d847e-3074-4285-a6e5-29b01fe29efa.png?resizew=145)
(1)求证:
,
,
,
四点在同一球面上,并说明球心及半径;
(2)画出平面
与平面
的交线(不需要写画法).
(3)设平面
与平面
的交线为
,直线
与平面
所成角的正切值为
,求平面
与平面
所成的锐二面角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5c044e1f89e113f1f4f63cf60c7518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5729dd997ea7e8cb4cef8b7165b36e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18120a244d3a1f9c1688bf53eb2ad775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3a8d847e-3074-4285-a6e5-29b01fe29efa.png?resizew=145)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)画出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
(3)设平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e108d5c61e85e0741ec2c484fc5768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ef4b918d022644e812c610a7308019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
您最近一年使用:0次
21-22高二上·浙江·期末
解题方法
9 . 如图,已知
,图中的一系列圆是圆心分别为A、B的两组同心圆,每组同心圆的半径分别是1,2,3,…,n,…利用这两组同心圆可以画出以A、B为焦点的椭圆,若其中经过点M、N、P的椭圆的离心率分别是
.则它们的大小关系是_______ (用“<”连接).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b685dfb277b4d68a4c390152339898e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa272ab1c6638acd1712cfb478fe0bf.png)
![](https://img.xkw.com/dksih/QBM/2021/5/6/2715478340091904/2715709847379968/STEM/33b51766-42e1-4f5d-b741-e1de0e24b260.png?resizew=349)
您最近一年使用:0次
名校
解题方法
10 . 椭圆规是画椭圆的一种工具,如图1所示,在十字形滑槽上各有一个活动滑标
,
,有一根旋杆将两个滑标成一体,
,
为旋杆上的一点且在
,
两点之间,且
,当滑标
在滑槽
内做往复运动,滑标
在滑槽
内随之运动时,将笔尖放置于
处可画出椭圆,记该椭圆为
.如图2所示,设
与
交于点
,以
所在的直线为
轴,以
所在的直线为
轴,建立平面直角坐标系.则椭圆
的普通方程为______ .
![](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/c4e00ad067ceaf3a8c0452e5cd52a506.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/d17663aeb7b7594a6b3af7d1538bb750.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
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4卷引用:四川省绵阳南山中学2022-2023学年高二上学期期末数学试题
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