名校
1 . 已知
,
,
三点在一条直线上,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dab74e16403e8131f9f5b2a74f3a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ebd7d12d8fee917786154a6cea9a59.png)
A.﹣3 | B.﹣5 | C.3 | D.5 |
您最近一年使用:0次
解题方法
2 . 已知直线l的方程为(m-1)x+(m+3)y+6-10m=0,m∈R.
(1)若直线l的斜率为2,求m的值;
(2)若直线l与直线3x-4y+2=0平行,求m的值.
(1)若直线l的斜率为2,求m的值;
(2)若直线l与直线3x-4y+2=0平行,求m的值.
您最近一年使用:0次
2020-12-11更新
|
564次组卷
|
4卷引用:江西省九江五校2020-2021学年高二上学期期中联考数学(文)试题
江西省九江五校2020-2021学年高二上学期期中联考数学(文)试题(已下线)专题06 直线和圆的方程的典型题(二)-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)(已下线)1.3 两条直线的平行与垂直-2021-2022学年高二数学尖子生同步培优题典(苏教版2019选择性必修第一册)沪教版(2020) 25天高考冲刺 双新双基百分百6
名校
解题方法
3 . 已知两点
,
,直线
过点
,若直线
与线段
相交,则直线
的斜率取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9fe37a71b95cacc781f6b4e63c4895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-08-17更新
|
615次组卷
|
9卷引用:湖北省武汉市第三中学2019-2020学年高一下学期5月月考数学试题
湖北省武汉市第三中学2019-2020学年高一下学期5月月考数学试题天津市西青区杨柳青第一中学2022-2023学年高二上学期第一次适应性测试数学试题上海市实验学校2022-2023学年高二下学期期中数学试题(已下线)第12讲 倾斜角与斜率5种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)(已下线)第01讲 2.1.1倾斜角与斜率(8类热点题型讲练)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)辽宁省葫芦岛市东北师范大学连山实验高中2023-2024学年高二上学期10月月考数学试题广东省湛江市第二十一中学2023-2024学年高二上学期10月月考数学试题天津市静海区北师大实验学校2023-2024学年高二上学期第一阶段评估数学试题(已下线)专题01 平面直角坐标系中的直线--高二期末考点大串讲(沪教版2020选修)
4 . 已知椭圆
,焦点
,
.过
作倾斜角为
的直线L交上半椭圆于点A,以
,
(O为坐标原点)为邻边作平行四边形
,点B恰好也在椭圆上,则椭圆的长轴长为( )
![](https://img.xkw.com/dksih/QBM/2020/4/22/2446938169638912/2447925903122432/STEM/aff1e5d9c2a14540b042a0eeeb9f3a29.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4e568d9cd57c442f011a787ab8aaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8c8f7bd39a507dbf1634a3857b3c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4e568d9cd57c442f011a787ab8aaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80ecb6b5d5eca464b3f099513c08fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438b087a3b66f48298b5a944629adb44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64e5012edae761165b1a7fc616afaf7.png)
![](https://img.xkw.com/dksih/QBM/2020/4/22/2446938169638912/2447925903122432/STEM/aff1e5d9c2a14540b042a0eeeb9f3a29.png?resizew=194)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知椭圆方程为
,
是椭圆上的任意三点(异于椭圆顶点),若存在锐角
,使
(
为坐标原点)则直线
的斜率乘积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0671de43e4dcd01182723720248777e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d665f4a27463efd626ea1894d2a027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22a887617b1126a28868fbc1629b8c7f.png)
您最近一年使用:0次
名校
6 . 已知抛物线
的焦点是
,准线是
.
(Ⅰ)写出
的坐标和
的方程;
(Ⅱ)已知点
,若过
的直线交抛物线
于不同的两点
,
(均与
不重合),直线
,
分别交
于点
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅰ)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30ac1f4eb5e6145cc1b4241065218f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/dad2a36927223bd70f426ba06aea4b45.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/0f85fca60a11e1af2bf50138d0e3fe62.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/0451f9e4f4db57e9ae978cdc27325698.png)
您最近一年使用:0次
解题方法
7 . 已知椭圆
的左右顶点分别记为
、
,其长轴的长为4,离心率为
.
(1)求椭圆的标准方程;
(2)记
的中点为
,若动点
的横坐标恒为
,过点
作
∥
交椭圆于点
,直线
交椭圆于点
,求证:
、
、
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.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/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆的标准方程;
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533a7b702ada1dd80123e4041271d521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d58f9019097bd05037aefd5c322916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
8 . 已知椭圆
左右焦点分别为
,
,
若椭圆
上的点
到
,
的距离之和为
,求椭圆
的方程和焦点的坐标;
在(1)条件下,若
、
是
关于
对称的两点,
是
上任意一点,直线
,
的斜率都存在,记为
,
,求证:
与
之积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/7e90064d012356de1877aa697cd6d6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2c84e7b41a841a230ed5f8a42309aa.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/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1456e81321ccb20077b34562ca9cffbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090b7ee52d644d0c630ef44aec1726dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1456e81321ccb20077b34562ca9cffbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090b7ee52d644d0c630ef44aec1726dd.png)
您最近一年使用:0次
解题方法
9 . 在x轴上的截距为2且倾斜角为135°的直线方程是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知
,
,设直线
,其中
,给出下列结论:
①直线
的方向向量与向量
共线;
②若
,则直线
与直线
的夹角为
;
③直线
与直线
(
)一定平行;
写出所有真命题的序号________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66f4db41478c23128adc14f2796556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8267f0c85f78a9910b9528394eae338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c38a6ef0cbe22933427678ff32ba0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ab1e3217a18c9119740c8055adc4f8.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b495a7a39cd372ac8aa24132c4459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a4ff8ada7b7eec2b5121abd0f094e89.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bab8604e52c97fe120889ef95031d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa7087972cc3cbf6f5276059a527e2.png)
写出所有真命题的序号
您最近一年使用:0次
2020-03-05更新
|
240次组卷
|
3卷引用:上海市复旦大学附属中学2015-2016学年高二上学期期中数学试题
上海市复旦大学附属中学2015-2016学年高二上学期期中数学试题(已下线)专题3.1 坐标平面上的直线【易错题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)陕西省咸阳市武功县普集高中2022届高三实验班下学期3月月考理科数学试题