名校
解题方法
1 . 已知向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7441a76eb274b4f3d2f7369250d8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15dcdb06fc5e45da375c5bb9af281a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701d740a447c8a34a5013d4ec28e417f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知向量
,
,若
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e5f244c0b9a2fe2734f728cb1f3a17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc44687d4c8709f7d15fecd1570d948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.4 | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa0630f766a5d2fb8a335b2ac106ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9c22e445fd2e7d7e33f87116dbd1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.1 | B.-1 | C.3 | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9316b87a0b2111c4623ca731749d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
A.充分不必要条件 | B.充分必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-04-29更新
|
507次组卷
|
2卷引用:浙江省钱塘联盟2023-2024学年高一下学期4月期中联考数学试题
名校
5 . 已知向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/584fc4c2df67b190506e2253cf3bd850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0357efb21c0067812b45f4f8b0a58c50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de31d2760935d346e26016427cec906b.png)
A.![]() | B.2 | C.![]() | D.4 |
您最近一年使用:0次
名校
解题方法
6 . 已知平面向量
,
,若存在实数
,使得
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a535667c3a95f837ed8c5e93a2f7c7a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3ffc20de1a788f0408625b2f67e380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11aeda90bd9777fda412249a37fc7a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-04更新
|
443次组卷
|
2卷引用:浙江省杭州市西湖高级中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
7 . 已知
的三内角
所对的边分别是
,设向量
,若
,则
的形状是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78aaf478b96911bba50cc1aced9994f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a53cdfd02f840f55c72dbb4d0607c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.直角三角形 | B.等腰三角形 |
C.等腰直角三角形 | D.等腰三角形或直角三角形 |
您最近一年使用:0次
8 . 已知向量
,且
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210bdc75eed23810414e9ec9b14183e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254eece7f8930781106c95743098e439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b222cd241575a12f2ccc58217db3538a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51bcec0690289983de145c2bee2a1de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
2023-04-21更新
|
734次组卷
|
3卷引用:浙江省浙北G2联盟2022-2023学年高一下学期4月期中联考数学试题
名校
解题方法
10 . 平面向量
,
,若
与
共线,那么
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0da6bb2d6d4d775cfa44d2de1e74eb99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb889d80fbb8b02f39b052fd607fdd42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次