名校
1 . 下列关于平面向量的说法,其中正确的是( )
A.若![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() ![]() |
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解题方法
2 . 已知正三角形
的边长为2,点
满足
,且
,
,
,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3284eed73b196d16dd491a09274ee8b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6958278a6ad07bf8b94826d395111d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdddaf04139a84bb1f64fc9baa414497.png)
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2024-04-20更新
|
942次组卷
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4卷引用:上海市松江区2024届高三下学期模拟考质量监控(二模)数学试卷
上海市松江区2024届高三下学期模拟考质量监控(二模)数学试卷重庆市乌江新高考协作体2024届高考模拟监测(一)数学试题上海市青浦高级中学2023-2024学年高一下学期5月质量检测数学试卷(已下线)第01讲 平面向量的概念及线性运算(六大题型)(练习)
3 . 已知
是夹角为
的两个单位向量,
与
的夹角为
.
(1)求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6079033d3435e9137642a37d8622cba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e4dabf18c41a0559f06711b35e580c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
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2024-04-19更新
|
299次组卷
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2卷引用:江西省赣州市十八县(市)二十四校2023-2024学年高一下学期期中联考数学试题
名校
4 . 已知
是平面内的一个基底,则可以与向量
构成平面另一个基底的向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28956798edf60f8d441ef26620d3923f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64098bdc25cb4d51db368ec0042fd794.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-19更新
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410次组卷
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解题方法
5 . 已知
,若
与
方向相同,则实数
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901cab8d0a1de519786e4cacf478da71.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/f0a532e15e232cb4b99a8d4d07c89575.png)
A.2 | B.4 | C.-2或4 | D.-2 |
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解题方法
6 . 已知
是平面内两个不共线的向量,
,若
三点共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb371bd7728c6d6a16533a93924ad998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4468b444bac0675131e99c2e4e7fc4eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.4 | C.![]() | D.0 |
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7 . 下列说法正确的是( )
A.![]() ![]() |
B.若![]() ![]() |
C.若对于两个非零向量![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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8 . 在
中,点
是边
上(不包含端点)的动点,若实数
,
满足
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0627c5fbc080e858cea342516ec0f0df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f11b3888e4ba50a751ff521419309f5.png)
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9 . 已知在
所在平面内,
分别为线段
的中点,直线
与
相交于点
,若
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62455401ec47714db49246446c0de177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be2de1d71aa6d68c31ca98afc858159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee662ef4fc90d0bbee6f1966722999d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf65c22267bdce5c61dda6259ce0698.png)
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解题方法
10 . 设
,
是平面内相交成
角的两条数轴,
分别是与
轴、
轴正方向同向的单位向量.若
,则把有序实数对
叫做向量
在斜坐标系Oxy中的坐标,记作
.则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd2764005616525d2775eb9b3047f767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc293f06b99b5f774ba59da473b2c7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5253a9a71037d60059b60237824193b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1826aa6f667b181d7aabc06e35365308.png)
A.若![]() ![]() |
B.若![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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