1 . 平面上的向量
、
满足:
,
,
.定义该平面上的向量集合
.给出如下两个结论:
①对任意
,存在该平面的向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
,存在该平面向量
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
![](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/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/407538138dd68ab917925c2063cc98e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30f758f45abc258acfe2c619a901dd4.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c5dcc6c7cbc617957931d8b8b4b09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
②对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f878c229fc3898c45a76727eee75370d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e8b56ab93d5122afcddb46d502012ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092597e9907aab9a47d6e23057c8d274.png)
则下面判断正确的为( )
A.①正确,②错误 | B.①错误,②正确 | C.①正确,②正确 | D.①错误,②错误 |
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2 . 已知向量
,集合
,其中
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4928028374ab0785cb0f924f01f8ccd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81896ebb9234752b8d1132e48c7cdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8667dafabfb73127c06919b5e043005d.png)
A.![]() |
B.![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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3卷引用:安徽省县中联盟2023-2024学年高二上学期10月联考数学试题
安徽省县中联盟2023-2024学年高二上学期10月联考数学试题(已下线)第6章 平面向量初步-【优化数学】单元测试基础卷(人教B版2019)重庆市第十八中学2023-2024学年高一下学期3月月考数学试题
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解题方法
3 . 下面给出的几个关于向量问题的结论中,错误的个数是( )
①
;
②
;
③若
,则
与
的夹角
的取值范围是
;
④已知
,
,若
与
夹角是锐角,则
;
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5457d51fe316ed458c16021e857709.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fe4ae7a201fa70e4305e179bcd76ee.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdab13be1e0b75550db1b6ad88c2b67.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc299018cae8bc47faa38c156b355ec6.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a765160b88fc73ba9f420440dea681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2823cac204dc35b994a23234a6ec1120.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/fb6891c3b5091756d3eb4aed575ca4d3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 平面直角坐标系中,假设旦华楼坐标为
,笃志楼的坐标为
,问思楼的坐标为
,喷水池的坐标为
,则喷水池是以旦华楼,笃志楼,问思楼构成的三角形的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef5e85c4b09039dda8c4fcbea274ad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2862264e8930c38afff1ec3a121d5d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec06693af09392b7d9c27c201798c048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3bcc0dc08b5138deb10b37ad2cf119.png)
A.重心 | B.外心 | C.垂心 | D.内心 |
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解题方法
5 . 我国汉代数学家赵爽为了证明勾股定理,创制了一幅“弦图”,它由四个全等的直角三角形和一个正方形所构成(如图),后人称其为“赵爽弦图”.在直角三角形
中,已知
,
,在线段
上任取一点
,线段
上任取一点
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/2021/5/4/2713965624532992/2716106368851968/STEM/edc3fa89-0655-4d53-840c-bbd5447ae4c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f149f673cbe25b705cd476e24f8b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f92d396da3c16a2ff791d29151ba0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6498039e9b4a494c860e9b7a4e36dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91569032c41d0e2c0de44ba9e72e21e4.png)
![](https://img.xkw.com/dksih/QBM/2021/5/4/2713965624532992/2716106368851968/STEM/edc3fa89-0655-4d53-840c-bbd5447ae4c1.png)
A.25 | B.27 | C.29 | D.31 |
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2卷引用:江苏省苏锡常镇四市2021届高三下学期5月教学情况调研(二)数学试题
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6 . 已知动点
,
,O为坐标原点,则当
时,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9e2eff30b4b472862241eb6c66ecaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60518ef351cb0ff3854214e5654e8bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a2cccb26d55aff78f55efbb3a45da3.png)
A.![]() | B.![]() |
C.![]() | D.存在![]() ![]() ![]() |
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2卷引用:北京市海淀区八一学校2022-2023学年高一下学期中考试数学试题
名校
解题方法
7 . 设向量
,
,当
,且
时,则记作
;当
,且
时,则记作
,有下面四个结论:
①若
,
,则
;
②若
且
,则
;
③若
,则对于任意向量
,都有
;
④若
,则对于任意向量
,都有
;
其中所有正确结论的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ec6dba44a83ae69146c26a2eec325c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66717aa3e7a771427c1d4433c77a5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7104776ff89344dbad71ae372b2c6a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a7d6f54bf58a7a4f4ce61e06aefa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bd070c2627a2520b0d9047a9835efd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520a520903a0179b3b7ca22c8c08d934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada29fde8bcb4d04ddc6f1d9108cd5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c004c7cf818feb967b88abca38cf27e9.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0988c92311bffdfb634de896a2b2fd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a55755bb17062042b33d96016491ff.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3e9895c7436c5ea1c3ac47c596c45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfbdbb27c06740921709722585131fe.png)
其中所有正确结论的序号为( )
A.①②③ | B.②③④ | C.①③ | D.①④ |
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4卷引用:河南省商丘市青桐鸣2023-2024学年高一下学期3月月考数学试题
河南省商丘市青桐鸣2023-2024学年高一下学期3月月考数学试题吉林省白山市抚松县第一中学2023-2024学年高一下学期5月期中考试数学试题(已下线)专题03 向量的数量积-期末考点大串讲(人教B版2019必修第三册)(已下线)【讲】 专题四 与平面向量有关的新定义问题(压轴大全)
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8 . 正多边形具有对称美的特点,很多建筑设计都围绕着这一特点展开.已知某公园的平面设计图如图所示,
是边长为2的等边三角形,四边形
,
,
都是正方形,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3a079cfdcca9acdacecbf08f9f78cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04171842cecdf6ca503faf888bba0106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8eb3f27deb3ca8ee6797664bb8e50d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0ccec3dc620a444da084dfd6a8e784.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/21/e8560814-3508-4f23-9a41-8c4ef414bafd.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:安徽省十校联盟2022-2023学年高二下学期6月联考数学试题
9 . 设
上的点
,
分别位于一、四象限,记
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd666ff90ba9519169c2308a2e2263b5.png)
,若
是坐标原点,则使得
恒成立的有序数组
共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cf25b579c246b6ed15a7efdce06a7c.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/3860fef1b77067bffcf8689498a6224e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd666ff90ba9519169c2308a2e2263b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928c751cc5dc2423c11b64cee1408b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf4b389dbd40bd76e6c44b2ab1c36c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5823e0c6dd1b7a6ff42d4ff521cc0366.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 小华在学习绘画时,对古典装饰图案产生了浓厚的兴趣,拟以矢量图(也称为面向对象的图象或绘图图象,在数学上定义为一系列由线连接的点,是根据几何特性绘制的图形)的模式精细地素描以下古典装饰图案,经过研究,小华发现该图案可以看成是一个边长为4的等边三角形ABC,如图,上边中间莲花形的两端恰好都是AB边的四等分点(E、F点),则
( )
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746927641493504/2747097634955264/STEM/999545a4-61bf-4d32-9e1e-c9448ec3c623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f8fe1a9fb66276afbdf6d649e04e87.png)
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746927641493504/2747097634955264/STEM/999545a4-61bf-4d32-9e1e-c9448ec3c623.png)
A.9 | B.16 | C.12 | D.11 |
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2021-06-23更新
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6卷引用:全国2021届高三数学模拟试题(样卷二)
全国2021届高三数学模拟试题(样卷二)湖南省(全国卷)2021届高三高考数学模拟试题(样卷二)全国2021届高三高考数学模拟试题(样卷二)(已下线)考点11 平面向量-备战2022年高考数学(文)一轮复习考点微专题广东省深圳市高级中学等九校2022届高三上学期11月联考数学试题陕西省西安铁一中滨河高级中学2021-2022学年高三上学期学情调查(六)理科数学试题