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1 . 已知向量
,
,
,若
,
,
三个向量共面,则实数
,
的取值可能分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2552596831bda67b915ec309bb5422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e391f23e85c874d7a4f96b25a0064c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde2322cfb8816e27e8f3eb97224f0fb.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/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
A.![]() | B.2,2 | C.![]() | D.1,5 |
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2 . 已知空间向量
,
,若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5143c22699432c66143b1d70cafcb57a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aa83017d54612e65f5cb0833ce8fc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.0 | B.2 | C.![]() | D.![]() |
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3 . 设
是实数,已知点
在同一直线上,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbdb1b1de019ee67c9481c752bb02dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
A.10 | B.-10 | C.-15 | D.20 |
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4 . 已知点
在同一直线上,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8f90deffdc75a89c4c01f47fd22c78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
A.10 | B.![]() | C.6 | D.![]() |
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5 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1699dad16b626925ed2ebcbc4d3aa8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4841a1dc5b149182a782a565d6c8a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
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6 . 给出下列命题其中错误 命题的是( )
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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23-24高二上·上海·课后作业
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解题方法
7 . 设
是空间两个不共线的非零向量,已知
,
,
,且
三点共线,则实数k的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35811bc17681bb510bb593e0b3c1fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cc1c39836201f8828368c921d5ba1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0927ccc6973d74ca7f343021d01a97f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65183d238c9bc2be73770717d890683.png)
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8 . 下面四个结论正确的是( )
A.空间向量![]() ![]() ![]() ![]() |
B.若对平面中任意一点![]() ![]() ![]() ![]() ![]() |
C.已知![]() ![]() ![]() |
D.任意向量![]() ![]() |
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2024-02-10更新
|
124次组卷
|
2卷引用:广东省汕头市金山中学2023-2024学年高二上学期期末考试数学试题
名校
9 . 在空间直角坐标系中,已知点
,若
三点共线,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a1049dc66cf2e70b2746dd22c3c3e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.10 | D.13 |
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2024-01-10更新
|
724次组卷
|
4卷引用:辽宁省沈阳市重点学校联合体2023-2024学年高二上学期期末检测数学试题
10 . 已知
、
、
为空间三个不共面的向量,向量
,
,若
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ccfda9afde4441cfd1d4df5fe9622d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a0814e710b3263a3ac400bc5ba5731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85ef8509932770bf12c4ed71c4e6aee.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/96724b211bf3e56d588bd430aa3f2894.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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