11-12高二上·江苏淮安·期中
名校
1 . 已知三条直线
,
和
.
(1)若此三条直线不能构成三角形,求实数
的取值范围;
(2)已知
,能否找到一点
,使得
点同时满足下列三个条件:①
是第一象限的点;②
点到
的距离是
点到
的距离的
;③
点到
的距离与
点到
的距离之比是
.若能,试求
点坐标;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08a56de6d0cc67cb3700c6a9a12966dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0789e813ae80dba25d47a237f3ce7db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01dac6f9c080c3c956c6d3839be8786f.png)
(1)若此三条直线不能构成三角形,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdb9d8425d73a68731f30e0c0e22260.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64e76a4c1e5934f51cdca2ffbc8313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2016-12-01更新
|
1656次组卷
|
4卷引用:2011-2012学年江苏省淮安中学高二上学期期中考试数学试卷
(已下线)2011-2012学年江苏省淮安中学高二上学期期中考试数学试卷湖北省武汉市第十九中学2022-2023学年高二上学期10月月考数学试题湖北省武汉市第三中学2022-2023学年高二上学期10月月考数学试题(已下线)难关必刷02直线与方程-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
11-12高二上·江苏无锡·期中
2 . 已知一个圆经过直线
与圆
的两个交点,并且面积有最小值,求此圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55369fec27edda3c2880820d1c7df21a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a0753502ffbcf0c501ce3fed4e607b.png)
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3 . 如图,在正四棱柱
中,
,点
是
的中点,点
在
上,设二面角
的大小为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/ecc003df-0555-41d9-9fa3-8c0dbbe54be4.png?resizew=123)
(1)当
时,求
的长;
(2)当
时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4e383b30741acd62fdeb962d773133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea34000c1552bb3c58d3aeae2c089095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/14/ecc003df-0555-41d9-9fa3-8c0dbbe54be4.png?resizew=123)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe902a56106060a5c6e74a9f8ebe027a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50df45f0e73865573ba49e4c4d5ed49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
您最近一年使用:0次
2016-11-30更新
|
1641次组卷
|
10卷引用:2011年江苏省普通高中招生考试数学
2011年江苏省普通高中招生考试数学专题11.8 空间向量与立体几何(练)-江苏版《2020年高考一轮复习讲练测》江苏省南京市金陵中学2020-2021学年高二下学期期初学情调研数学试题(已下线)第二章 空间向量与立体几何(能力提升)-2020-2021学年高二数学单元测试定心卷(北师大版选修2-1)黑龙江省农垦宝泉岭高级中学2021-2022学年度高二学年上学期第一次月考数学试题(已下线)第一章 (基础过关)空间向量与立体几何 A卷-【双基双测】2021-2022学年高二数学同步单元AB卷(人教A版2019选择性必修第一册)(已下线)考向35 空间向量及其运算和空间位置关系(重点)-备战2022年高考数学一轮复习考点微专题(新高考地区专用)(已下线)卷03 空间向量与立体几何-单元检测(难)-2021-2022学年高二数学单元卷模拟(易中难)(2019人教A版选择性必修第一册+第二册)沪教版(2020) 选修第一册 单元训练 第3章 空间向量在立体几何体中的应用(B卷)(已下线)第09讲 空间向量及其运算的坐标表示10种常见考法归类(2)
2011·江苏南京·一模
4 . 有三个球和一个正方体,第一个球与正方体的各个面相切,第二个球与正方体的各条棱相切,第三个球过正方体的各个顶点,则这三个球的表面积之比为____________ .
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11-12高二上·江苏淮安·期末
5 . 将直线
绕原点逆时针旋转
,再向右平移1个单位,求所得到的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9b769d70cb6f29e965c800921c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da795d45e4e3903374dec8db6466cf85.png)
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9-10高一下·江苏南京·期末
解题方法
6 . 已知两条不同直线
、
,两个不同平面
、
,给出下列命题:
①若
垂直于
内的两条相交直线,则
⊥
;
②若
∥
,则
平行于
内的所有直线;
③若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
且
⊥
,则
⊥
;
④若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,
,则
⊥
;
⑤若![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
,![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
且
∥
,则
∥
.
其中正确命题的序号是__________ .(把你认为正确命题的序号都填上)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
①若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
②若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
③若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
④若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/6dc360bab20a4dd38acc25de5d1155b1.png?resizew=39)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
⑤若
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/d77b83d181f341f0a0218559480fec83.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/f35e371d02f148f1a75feac68debfcef.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/a69939a1037a41d39dbd6dd2ceda6fb4.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/3b549d9ae2164104a26d3a5ab24b770a.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2010/10/17/1569856003596288/1569856008962048/STEM/973ad3e15c7846e3a7e1633dc07ea800.png?resizew=9)
其中正确命题的序号是
您最近一年使用:0次
2016-11-30更新
|
820次组卷
|
7卷引用:2010年江苏省南京六中高一第二学期期末考试数学试卷
(已下线)2010年江苏省南京六中高一第二学期期末考试数学试卷(已下线)2010-2011学年江苏省南京六中高一下学期期末考试数学(已下线)2011年浙江省苍南县三校高二上学期期中考试数学理卷(已下线)2011-2012学年福建省闽侯二中、闽清高级中学等五校高一第一学期期末联考数学(已下线)2011-2012学年福建省福州八中高一第一学期期末考试数学(已下线)2012-2013学年浙江杭州西湖高级中学高二12月月考理科数学试卷2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷
7 . 如图,抛物线
与
轴交于
、
两点,交直线
于
、
两点,经过三点
、
、
作圆
.
![](https://img.xkw.com/dksih/QBM/2011/2/25/1570014421139456/1570014426439680/STEM/3adbb69b-7a94-4dfe-85e8-114916d2575d.png?resizew=156)
(1)求证:当
变化时,圆
的圆心在一条定直线上;
(2)求证:圆
经过除原点外的一个定点;
(3)是否存在这样的抛物线
,使它的顶点与
的距离不大于圆
的半径?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c291be0c7e3d6ebf4498cd3a6b39e52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c037b199f33cbed1efcffdd2376d8c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2011/2/25/1570014421139456/1570014426439680/STEM/3adbb69b-7a94-4dfe-85e8-114916d2575d.png?resizew=156)
(1)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求证:圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)是否存在这样的抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
11-12高二上·广东中山·期中
名校
8 . 台风中心从A地以每小时20km的速度向东北方向移动,离台风中心30km内的地区为危险地区,若城市B在A地正东40km处,则B城市处于危险区内的时间为( )
A.0.5h | B.1h | C.1.5h | D.2h |
您最近一年使用:0次
2016-11-30更新
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2155次组卷
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28卷引用:江苏省泰州市靖江市斜桥中学2020-2021学年高三上学期12月阶段性检测数学试题
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