1 . 对平面内两向量
,
,若
,则下列结论成立的是( )
![](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/02f7d08d10754ff3903d139768f40530.png)
A.![]() ![]() |
B.![]() ![]() |
C.存在一个实数![]() ![]() |
D.存在不全为零的实数![]() ![]() ![]() |
您最近一年使用:0次
2 . 若非零向量
,且设
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae109f6cae08b1b804d2174b94f6f01b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc27e2827b1bf7c24985c4a5199c84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
解题方法
3 . 有下列说法,其中正确的说法为( )
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2024-06-11更新
|
381次组卷
|
2卷引用:福建省南安市蓝园高级中学2023-2024学年高一下学期期中考试数学试题
4 . 点
在线段
上,且
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e597b2c477ab2068a60b5abe657e8af2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知x、y是实数,向量
不共线,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b889d7253cc87a9a79e9da19604b209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
6 . 下面给出的关系式中,正确的个数是 ( )
①
;②
;③
;
④
;⑤
.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81827d77a61b6882a4f5a4c8beafd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb72256695bffefefffc1572fc08f45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/babc3b7c4afefa656f49b34566b98b92.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639805ba44f7e18b0c4792e7cda68792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d759f7ce44466451a9d39e298dddab2.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
7 . 与向量
共线的单位向量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016e4d15ab8f5359f6aa3b42674b0c13.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 向量
在正方形网格中的位置如图所示,则向量
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f24c9c0963445aeb63386957e178ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65de7c2f24ccd9a5a9b6c5920e981309.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知
方向相同,且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb966839c097bede7256a3cd73824340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305c66b009a9d156dfb2660ba239e737.png)
A.16 | B.256 | C.8 | D.64 |
您最近一年使用:0次
名校
10 . 已知向量
共线,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ef55542504e8d147448cbfb6eaad7a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7b5830f193cc3d5e0b3bf50bf7689e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ef55542504e8d147448cbfb6eaad7a.png)
您最近一年使用:0次