名校
解题方法
1 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cb3fd10338ed722631af7e9eb03378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
,若
,则k=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cb3fd10338ed722631af7e9eb03378.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6047123651662dee6dcec463dfe345d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ac384dd059e9d0c5a29f3b26d2ae29.png)
A.2 | B.5 | C.7 | D.9 |
您最近一年使用:0次
2022-04-18更新
|
430次组卷
|
7卷引用:河南省部分名校2021-2022学年高三上学期10月质量检测文科数学试题
河南省部分名校2021-2022学年高三上学期10月质量检测文科数学试题甘肃静宁县第一中学2021-2022学年高三上学期第二次模拟考试数学(理)试题新疆兵团第十二师高级中学2022届高三上学期第二次月考数学(文)试题(已下线)考点15 平面向量-2022年高考数学一轮复习小题多维练(新高考版)陕西省宝鸡市渭滨区2022届高三下学期一模文科数学试题陕西省宝鸡市渭滨区2022届高三下学期一模理科数学试题(已下线)第六章平面向量及其应用(知识通关)(1)
名校
2 . 若
,则与
同方向的单位向量是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96338b35c324ba565794f9338b854b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
您最近一年使用:0次
3 . 已知向量
=(3,x),
=(1,2),c=(1,
),若
,则向量
在
上的投影为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1c1dd6b13d92f2cc2eef097e14c07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
您最近一年使用:0次
4 . 在
中,动点
满足
,则动点
的轨迹与直线
所形成封闭图形的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb0f80086f00661f02268f999713f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
您最近一年使用:0次
解题方法
5 . 已知向量
,其中
.
(1)若
,
,求
;
(2)若
,函数
的最小值为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2e2bd0569b21c191281fc8f66bd33c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58119f48aa8860923d1f13dd78a17c62.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18515948143068d8d652f349508e478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444ba76b06bbd289344a64eb32212bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853543a259612a9db005bc7e75b7b0ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d453099d0a6dc9d97aed6375ca6d2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 已知
是
内部(不含边界)一点,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1300a4ebc9d571cc3aec58f0e81671f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f92aef16f5f17f7613e92f34c38e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2022-01-05更新
|
1062次组卷
|
4卷引用:河南省高考联盟 2021-2022学年上学期高三12月教学检测文科数学试题
河南省高考联盟 2021-2022学年上学期高三12月教学检测文科数学试题广东省东莞市东华高级中学2021-2022学年高一下学期期中数学试题(已下线)5.3 平面向量的应用(精练)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)(已下线)专题03 平面向量的综合应用(2) -期中期末考点大串讲
7 . 已知点A,B是
上的两个点,
,点C为劣弧
的中点,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe6a7c564b764d3947c3917e93fac87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff90a87c210c43650d8f802ef15094da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/692ecf18a26155750cdcfc6bd402258e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
2022-01-03更新
|
181次组卷
|
2卷引用:河南省名校联盟(十所名校)2021-2022学年高三上学期12月考文科数学试题
名校
解题方法
8 . 已知向量
,
,且满足
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5b55aef0359a5495a586841d14eccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c7230f2107e5097e05d4dcd78d8377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5c0145352259c90f7b53898fbf5438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
9 . 已知向量
,
,向量
,
,若
,则实数
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b821a889623ac467c40df8af7bb7305f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4611f7a99ee986b51adecf1aeae7de8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be62c07f335b6e5b559eedbeba333cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323fc0bf5e0eeb3b191b926118f72e3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70673c92e21f14bd1b27c07700e26b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解题方法
10 . 已知
中,
,
,
,点D,E分别为线段
,
上靠近B,A的三等分点,点F为线段
的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6fc888a3ef08e8d7ba27fbf3451437.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-12-16更新
|
469次组卷
|
3卷引用:河南省名校联盟2021-2022学年高三上学期毕业班阶段性测试(三)文科数学试题
河南省名校联盟2021-2022学年高三上学期毕业班阶段性测试(三)文科数学试题河南省顶级中学2021-2022学年高三上学期阶段性测试(一)文科数学试题(已下线)第六章 平面向量及其应用(选拔卷)-【单元测试】2021-2022学年高一数学尖子生选拔卷(人教A版2019必修第二册)