解题方法
1 . 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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名校
2 . 已知非零向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec9e6dc53569062f9774b3f0d160d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161090f8a84f9c55349671424fb75519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e496ee7d3685671a6c9dcf1821c58c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaa4737bfb1bf1cf73324c2d3f3e0d0.png)
A.8 | B.![]() | C.6 | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
708次组卷
|
2卷引用:河南省商丘市2023-2024学年高一下学期5月联考数学试题
名校
解题方法
3 . 已知向量
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4231e32943368ddd50ed41ddb5cf7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知向量
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a666409aedd892336f57ccd93905d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1874ef4349c4a8ea8e5880b5468aa1d4.png)
A.若![]() ![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() ![]() |
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2024-04-18更新
|
476次组卷
|
3卷引用:云南省红河哈尼族彝族自治州第一中学2023-2024学年高一下学期4月月考数学试题
云南省红河哈尼族彝族自治州第一中学2023-2024学年高一下学期4月月考数学试题(已下线)高一数学期中模拟卷一(范围:平面向量+复数+立体几何初步)--同步精讲精练宝典(人教A版2019必修第二册)四川省内江市第二中学2023-2024学年高一下学期期中数学试题
名校
5 . 已知向量
,
,记向量
,
的夹角为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb35b69a38cb21fa5a50450f9a799120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88a1983547e8f6d13e5f7f1cb521dec.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/c24095e409b025db711f14be783a406c.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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解题方法
6 . 已知
,求
为何值时:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
(2)
与
的夹角为钝角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487080a5fa501a4c696cca69425f96cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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解题方法
7 . 平面内给定两个向量
,
.
(1)求
的坐标;
(2)若
,
且
、
、
三点共线,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8e58bc363ca750d3fe022a57e26e50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48ff8cfdb3ffa50db4d668094e7bea8e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f50a0f9c6c8ab9404ad0fe21dedd428.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d49c4a08ef45aadbab52d72b4ece3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b206ca6aae394ab845aea1e8aea496b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
8 . 已知向量
.
(1)若向量
与
平行,求
;
(2)若向量
,且
与
的夹角相等,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36db6e356eb49de75ad557d6f6b1821.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47f61ace8277a0a48ad756cc52bb2f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3332626215cbcd3be2d86604536cc848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5590e25308b10506857676800a72e5ce.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff78fbd728ec3131e29722503eb4ce02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b901cc29a51575d40f331c7b9b1e696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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9 . 已知向量
,
(1)若
,求
的值及
在
方向上投影向量的坐标.
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb03f6a77335b98daa5e94b6f528d3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0062c3b9ba49cb6001bd5c12ee1509b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c84fc4cb06a4530bdbc77f0da6e1af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5673d2c67b6f9814d34c6a31f9ddc8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
10 . 已知向量
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa3ac8c05b8dd85f42aecf497380047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.2 | D.4 |
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