1 . 已知
,
,在复平面内,复数
,
,
对应的点分别为
,
,
.
(1)求
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e8b708288bd3a38942055519a57708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845dbecf4d789a2d611a3c39d3fe5d9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34b88f343ca5a4c29057465541b9cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4e2b866b0043a32fc78326553841d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe615164ed2995bdeea0f5b0ba94231.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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c231f5c0eddd418c1e36688321e39ab7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc0a1884c6669cec22b714a57d5b2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
2 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fa9307f35580493bf435ac6a464b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5a6d96e46431eb0d20b531facda401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1fb8d0f0cd61691eebcea7cf67a950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
3 . 设
为实数,若向量
.
(1)若
与
垂直,求
的值;
(2)当
为何值时,
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0192561f4ead4f95871b50f2c2a8d5b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c0f0a6242f7b1313fd149d797ef62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
您最近一年使用:0次
名校
解题方法
4 . 已知向量
,
.
(1)求
;
(2)已知
,且
,求向量
与向量
的夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39721411c72d2e732a8a9476aaa61c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00802d4e66395a3cdc29fc91b9fd5fe7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc1f19e2a304e0c5469e639b7bf6fb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1318e68d32bcf62708edb9945d181895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
您最近一年使用:0次
名校
解题方法
5 . 已知向量
,
,
,若
与
垂直,则实数λ的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d13a7a9404ac729030024f9fab153ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072da156df3a760c1618117552de91b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb4d9a6d413d2e83b50dcb38b91075e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f0d282955eac31604947355057eb40.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知向量
.若
与
平行,则实数λ的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28d91f36f976c388c28368de7ce1637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbdd25b2666192dda5bf79071e612884.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
7日内更新
|
408次组卷
|
3卷引用:吉林省长春市第二实验中学2023-2024学年高一下学期期中考试数学试题
吉林省长春市第二实验中学2023-2024学年高一下学期期中考试数学试题(已下线)核心考点1 平面向量的运算 A基础卷 (高一期末考试必考的10大核心考点 )广东省惠州市三校2023-2024学年高一下学期期中联考数学试卷
解题方法
7 . 在等腰梯形
中,
,
,
,
.
与
垂直,求
的值;
(2)若
为
边上的动点(不包括端点),求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4aa43d2e64e857267e706e1f50f5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d01872723102269f05c9d1b77c6e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405eedd8483df63eab469ef47c077ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88110a41c498a765c88161d0c3d6c705.png)
您最近一年使用:0次
8 . 已知向量
,
,
为非零向量,下列说法正确的有( )
![](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/73a0b19e69be46452425916a0fcb49c9.png)
A.若![]() ![]() ![]() |
B.已知向量![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.已知![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知向量
在正方形网格中的位置如图所示.若网格纸上小正方形的边长为1,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03132203fb50ce7d2a7258db049d14f2.png)
A.4 | B.1 | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 向量
在边长为1的正方形网格中的位置如图所示,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3c6bd21d9c27a68b970f446f04d6df.png)
A.-7 | B.-1 | C.1 | D.7 |
您最近一年使用:0次