名校
1 . 平面内给定三个向量
,
,
.
(1)求满足
的实数
,
;
(2)设
满足
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dde9cb3c2c078d44940f226ca200762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21dc9f82e788085e0bb47709afd53785.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5e42925ac53ad249ebd3a2365fb9741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165dc98317293a68921a4405eb9711e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842a5951171e63d5e31c7ab3e05423e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100b7372aaa1f64f41bb8e7403b4e176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337ab4dc61186ca58bb0605cb6d02df0.png)
您最近一年使用:0次
2 . 在平面直角坐标系中,已知
、
、
.
(1)若
为坐标原点,是否存在常数
使得
成立?
(2)设梯形
,且
,
,求点
坐标;
(3)若点
满足:
,且
,求点
坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14168792b74b97b8bc51531604ba36b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f0ee968f9a247871a54e505fbd111b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076abe0444779812ded308c33e75120.png)
(2)设梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12143a06ed24558d8cc7ad39961d3e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6637d926097972aed6eb700a2ca99fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df9138fc59166de44d8e996468626df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
2020-01-14更新
|
452次组卷
|
2卷引用:江苏省盐城市滨海县2019-2020学年高一上学期期末数学试题
解题方法
3 . 向量
,
,
在正方形网格(每个小正方形的边长为1)中的位置如图所示,若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee4b5aa7e9133e4ca383b2e7d7fad5c.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a202857500b73bfc9db59b990363d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee4b5aa7e9133e4ca383b2e7d7fad5c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/2/ac9ed7d6-695f-417a-ac5e-2142502d889b.png?resizew=129)
您最近一年使用:0次
名校
4 .
为
所在平面内的一点,满足
,若
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05a266de6e73486d1c04003321c26ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/416ac4d5fb3da8156f2a1aa2ad3444ce.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2019-10-30更新
|
1600次组卷
|
6卷引用:河南省平顶山市2019-2020学年高三上学期10月阶段性检测数学(文)试题
河南省平顶山市2019-2020学年高三上学期10月阶段性检测数学(文)试题湖北省武汉市尚品联考2019-2020学年高三上学期10月月考数学试题重庆市第八中学2019-2020学年高一上学期期末模拟卷(三)数学试题2020届河南省新乡市第一中学高三上学期10月月考数学(文)试题(已下线)专题06 如何拿捏平面向量基本定理的应用-备战2020年高考数学二轮痛点突破专项归纳与提高江西省宜春市丰城中学2023-2024学年高一下学期第一次段考(3月)数学试题
名校
5 . 如图,两块斜边长相等的直角三角板拼在一起,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ffc947b8394dc01a675d05b3d4fe84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/1f61b441-0d08-41a5-af11-840c040ff750.png?resizew=203)
您最近一年使用:0次
名校
6 . 已知点
、
、
.
(1)若点
在第二或第三象限,且
,求
的取值范围;
(2)若
,
,
,求
在
方向上投影的取值范围;
(3)若
,求当
,且
的面积为
时,
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24705e5759ac944559f305c694c9f6d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091acaf5c3cbe20a5fff598323dc82be.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4af733c6432ce382a8a3fc19ef315ac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7556b085ed721d309c3376bf5e16ad21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1348dbdeba99934acf4cf5bc6b3bc5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e36c9c91220b0f2cbd4a48e8fa90e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00da1c29aea46e36cda0f5780966bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b0b9a2c33a6b08e739435fc55e0f38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c747e93ed8de8ad9b477e9c08c84441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4201d3bead2e48cc80052b1418f23db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
您最近一年使用:0次
2019-11-13更新
|
246次组卷
|
2卷引用:上海市上海交通大学附属中学2016-2017学年高二下学期期中数学试题