名校
解题方法
1 . 已知向量
,
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c958b65bafe9caae7ec41be3a7085527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27481c3e3f0a647379ecd926e616ec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
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7日内更新
|
163次组卷
|
3卷引用:模型8 向量数量积问题模型
2 . 已知向量
,
为单位向量,
,则向量
的坐标为_____ .(写出一个即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e76bd8081f99c70a8bc580021baa366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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名校
3 . 在等腰梯形
中,CD的中点为O,以O为坐标原点,DC所在直线为x轴,建立如图所示的平面直角坐标系,已知
.
;
(2)若点F在线段CD上,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2d09493b38fc4c41cb19f0c4b6f53c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1239d20fa03551421f0949d878fe541.png)
(2)若点F在线段CD上,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aef759150f9e9a60042788fbf1a7ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980201d3fea976d86a818fee73faf1bd.png)
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7日内更新
|
271次组卷
|
4卷引用:平面向量-综合测试卷B卷
2024高三·全国·专题练习
4 . 已知向量
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9654edaae78f7e39a2531d23bfc7b0d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8919e526b51c6b3c9b6d5f39df9015bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
2024高一·全国·专题练习
5 . 已知向量
与
的夹角为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.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/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad15d73ae09660a27b0a4039f2382ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095dc878f7a6a46b5caa8c0237862a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
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2024高一·全国·专题练习
6 . 设平面向量
,若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9c4220b6784db50926ee12caa32e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c04c1ab891586c2af451e3e02d06fe3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024高一·全国·专题练习
解题方法
7 . 已知
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c971ef1ddf7c449f5a8e16b03eb0219.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
您最近一年使用:0次
8 . 已知向量
,
,若向量
满足
,且
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40c3bef47eca74c23c275cc0ea1839b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6208cbf9f9ca96d25ac39d654553764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c588e4834835093ae1924af016a0f98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33ddc0023301ada62ceafa81b4a89a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26abac73b9cb1af5c5d8e8c2dd136bbb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知向量
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb3b981996d4a8dac628be3f3134071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4399b289ba6ff9981feed3e835532f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024高一下·全国·专题练习
10 . 已知向量
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6efdfd23349c53aa54464f380344cb.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef88ec04e07d1f0ebc5bcb5272cd0749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe4aa7751ac7cdaf57eeec30291d45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82301504dd83f0140fd08ada1d419225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6efdfd23349c53aa54464f380344cb.png)
您最近一年使用:0次