解题方法
1 . 已知向量
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b3515de9a26c0397039e077f272b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1964a4931205d46ea9ea6cbd67ceb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d73a2d7d955692fdd08d6858d949cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836984f5bc90dc0d77b825b73ba76f74.png)
A.![]() | B.![]() | C.0 | D.![]() |
您最近一年使用:0次
22-23高二下·陕西榆林·期末
解题方法
2 . 已知向量
,若
与
共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d0e701d50c8fb73ef9e9eddd5fde77.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/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.3 | D.1 |
您最近一年使用:0次
3 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf2dfb77322c9b7f07606465483a30e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbfd67b72143824efa7704759a744449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2023-07-11更新
|
184次组卷
|
3卷引用:陕西省汉中市2022-2023学年高二下学期期末文科数学试题
解题方法
4 . 已知向量
,
.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40c3bef47eca74c23c275cc0ea1839b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc1d243ebba80d6d3a50fb679bb1930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.1 | C.![]() | D.4 |
您最近一年使用:0次
2023-07-10更新
|
103次组卷
|
2卷引用:陕西省宝鸡教育联盟2022-2023学年高二下学期期末理科数学试题
解题方法
5 . 已知向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3627dacaaebeba2f37e841d1f15178b7.png)
(1)若
,求
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be48a471ace193d22230054b6b5ed851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3627dacaaebeba2f37e841d1f15178b7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
6 . 已知在
中,点
是
边上靠近点
的四等分点,点
为
中点,设
与
相交于点
.
、
表示向量
;
(2)设
和
的夹角为
,若
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6d728b430549f00bb9c0a7bf8bf7d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99377a438c47688d65a4628e3e6c4fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f195ce14eefef2f0f843575dbf7ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f288f8a6a042f8796f7ca620ecde791.png)
您最近一年使用:0次
2023-07-06更新
|
1002次组卷
|
12卷引用:陕西省西安市鄠邑区2022-2023学年高一下学期6月期末数学试题
陕西省西安市鄠邑区2022-2023学年高一下学期6月期末数学试题陕西省咸阳市三原县北城中学2023-2024学年高一下学期第一次月考数学试题(已下线)专题07 向量的应用-【寒假自学课】(苏教版2019)(已下线)第05讲 平面向量的应用-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)专题6.7 平面向量的综合应用大题专项训练-举一反三系列(已下线)第09讲 6.4.1平面几何中的向量方法+6.4.2向量在物理中的应用举例-【帮课堂】(人教A版2019必修第二册)(已下线)6.4.1 平面几何中的向量方法-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)模块一 专题3 平面向量的应用(讲)(已下线)6.4.1 平面几何中的向量方法-同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)模块一专题3 《平面向量的应用》 【讲】(苏教版)(已下线)6.4.1 平面几何中的向量方法——课后作业(巩固版)(已下线)模块一 专题6 解三角形【讲】人教B版
名校
7 . 设向量
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cadb456f43065bff1bf0167dcb6cd1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29cededd9a7446afef5763e17acfb636.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
2023-07-06更新
|
530次组卷
|
13卷引用:陕西省西安市鄠邑区2022-2023学年高一下学期6月期末数学试题
陕西省西安市鄠邑区2022-2023学年高一下学期6月期末数学试题福建省宁德市2020-2021学年高一下学期期末数学试题福建省福州市福清市高中联合体2022-2023学年高一下学期期末质检数学试题福建省漳州第三中学2021-2022学年高一下学期期中考试数学试题福建省福州第十五中学、格致中学鼓山分校、铜盘中学2022-2023学年高一下学期期中考试数学试题福建省平山中学、磁灶中学、泉州第十一中学、永春第二中学、内坑中学2022-2023学年高一下学期期中联考数学试题广东省潮州市2023届高三二模数学试题江苏省南京市第一中学实验学校2022-2023学年高一下学期期中数学试题 山东省新泰市第一中学东校2022-2023学年高一下学期期中考试数学试题福建省三明市尤溪县第五中学等两校2021-2022学年高一下学期期中联考数学试题(已下线)模块五 专题2 全真能力模拟(人教B)(已下线)第三节 平面向量的数量积及应用 A素养养成卷(已下线)FHsx1225yl078
解题方法
8 . 已知向量
,
的夹角为
,且
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](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/a6c0927afc571a7c966c98192040979e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0763e5405994d6aa68d5d0a20e305239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f7320a382e817a47544bae72a2817c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7f18d22282eeca0763129bf7da17f4.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 . 在
中,
,
,且
与
交于点
,若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419bec2bb15ceb95999eaee4a451d84b.png)
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92afc8dd378edab7ec29a39cd102902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bbf6eb192743f729241cb986306160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419bec2bb15ceb95999eaee4a451d84b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86647b813d55593f0df2546940c227ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
10 . 直线
经过两个定点
(其中
),则直线
的参数方程为
(
为参数,
).其中点
为直线
上任意一点,下列说法中不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1325c6fe42a9e5c04520d8a9bb6821b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21419caf547a208d582d906875a4167d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c87f4c40e50504adaface510404dbfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.参数![]() ![]() ![]() ![]() |
B.可以用![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次