名校
解题方法
1 . 已知平面向量
,
,下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf1af33eb258aea08e18ed9385718d9.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
名校
2 . 已知平面向量
.
(1)若
与
垂直,求
的值;
(2)若向量
,若
与
共线,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2338d8f0a2b6eb65ffd5ed7d9fd7a28c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d108e523626be0b40be9b3543ce12524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4e49d17d4ad440d37c6f4bc8daba25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb66e97cfb69b8a59770c6ac1d9b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbdb82455bba02bddce8d3cca6affbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
您最近一年使用:0次
2023-08-22更新
|
528次组卷
|
3卷引用:浙江省嘉兴市海盐高级中学2023-2024学年高二上学期返校评估测试数学试题
3 . 已知向量
,向量
在
方向上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd220d3ed1c06937c340ce8b64b4261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.2![]() | D.![]() |
您最近一年使用:0次
解题方法
4 .
,
,则
在
上的投影向量为________ .(用坐标表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eceddf10c35b43086f272079462aa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1faf5c80eefcd6abb773e771447886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
22-23高一下·浙江湖州·期末
名校
解题方法
5 . 已知向量
,
满足
,且
,则
在
上的投影向量为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81bfc2e52ca1d88667d5fee2307e28c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8aea07c79033fc587d661f0c72319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 已知向量
,
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324ae9aabe9b5d2800807da07b3d0268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bf85f3ff8fa99da9ee48c21d3c1445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7d8588dd7f40b81543dfc4f29b13f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.3 | B.![]() | C.3或![]() | D.5 |
您最近一年使用:0次
解题方法
7 . 已知向量
,
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55d4806428d45917cde867c566fc5f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ce134a42f342277ff7b53f6b1324f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8608f88df855ac5bd52d530684a023ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6816338a7f472b1c47b91136cbc42f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
A.-6 | B.-5 | C.5 | D.6 |
您最近一年使用:0次
名校
8 . 向量
在向量
方向上的投影向量是______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45419685fbeaedc8bfe8e965de8f44c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da90fc78fb4bda5d87f53ed9ac25dbd8.png)
您最近一年使用:0次
2023-07-12更新
|
633次组卷
|
5卷引用:浙江省衢州市江山中学2023-2024学年高二上学期10月阶段性检测数学试题
名校
解题方法
9 . 已知向量
,则向量
在向量
方向上的投影向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b19e7da9eb79541fd321f0f9f26150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-30更新
|
663次组卷
|
2卷引用:浙江省金华十校2022-2023学年高一下学期期末联考数学试题
名校
解题方法
10 . 已知平面向量
,
,
,
,
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7958a6bddd1d578bbd6fbcb92e3f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0979ead3a09ede4835e7fe77c87850f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7466f3ffa97e826620e45cd4134dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
您最近一年使用:0次
2023-06-27更新
|
592次组卷
|
3卷引用:浙江省温州市十校联合体2022-2023学年高二下学期期末联考数学试题