13-14高一下·安徽阜阳·期中
解题方法
1 . 如图,已知正方形
的边长为
,
在
延长线上,且
.动点
从点
出发沿正方形
的边按逆时针方向运动一周回到
点,其中
,则下列命题正确的是____________ .(填上所有正确命题的序号)
![](https://img.xkw.com/dksih/QBM/2014/6/5/1571755357093888/1571755362697216/STEM/24be2f57-438c-40aa-9899-ba92e5205e4b.png?resizew=228)
①
;
②当点
为
中点时,
;
③若
,则点
有且只有一个;
④
的最大值为
;
⑤
的最大值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fa1aa5a7a5bb172ed4603f17c8b2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8379522a85d8daacac23915a184fa9.png)
![](https://img.xkw.com/dksih/QBM/2014/6/5/1571755357093888/1571755362697216/STEM/24be2f57-438c-40aa-9899-ba92e5205e4b.png?resizew=228)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4a933066ab9571fe0fe443bb333221.png)
②当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6096acdd2d0ce16e1e45397ec5e365d4.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fa6c3f9a042c3e852f4b9a7325817b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ffb779aa8d5f876e1901ef07401fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
您最近一年使用:0次
2016-12-03更新
|
1988次组卷
|
3卷引用:浙江省台州市玉环市玉城中学2021-2022学年高一上学期第一次月考数学试题
浙江省台州市玉环市玉城中学2021-2022学年高一上学期第一次月考数学试题(已下线)2013-2014学年安徽省阜阳市阜阳一中高一下学期期中考试数学试卷2015届河南省南阳市一中高三下学期第三次模拟理科数学试卷
20-21高三上·浙江·阶段练习
2 . 已知单位向量
,
,
,
,若存在实数
,使得
成立,则
的最小值为______ .
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d480fba714fcc7f581b7e6c7ae4fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e273de83d7f518df456d6f6f568ad4e4.png)
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3 . △
中,
,
,
上的高
,且垂足
在线段
上,
为△
的垂心且
(
),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025df2a9934b457cf20d91604e430612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11289a36a6bb655904afaa4fd4704996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a654612a59a39307b416db8765bf76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080881113dcfedbb37be834669306a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
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名校
解题方法
4 . 关于平面向量
,
,
有下列三个命题:①若
,则
;②若
,
,
,则
;③非零向量
和
满足
,则
与
的夹角为
;④在
中,
,
,
,则
;其中真命题的序号为________ .(写出所有真命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c308ea87b699ee1dcb879a568899de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f26e5e4f403677580c64da73caae506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efde213b99d2271cdde71de744879d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2886bebcf6093ca45865437617bcf7f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d7cb0ca8c2bc559230a7becd2ecb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89879d3524590fe7d253b6e3086de649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65236592312fc7def2cfbed202a8f887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ce07aacb776328b95f21af13b826da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614b003a9f14fed694128f681b2f1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019eb94a6a2b38308811470d860e1a20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb75557d217f59ef1f33e8da1ac0d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c867ab355ffcc404e1c687f76385b32f.png)
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解题方法
5 . 已知向量
,
若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afc067d641d0306625f6a5001a6e796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b058936679b8864c12910318ed244d.png)
![](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/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2011·山东济南·一模
解题方法
6 . 如图,在△ABC中,
=![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/64b4e553f6704bf98a713ff7c525bc7a.png?resizew=15)
,P是BN上的一点,若
=m
+![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/c62ffe76cbad41c0ae8a6b196c0faaa0.png?resizew=20)
,则实数
的值为___________ .
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/68013629082a41a18c2e40f492e2062f.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/64b4e553f6704bf98a713ff7c525bc7a.png?resizew=15)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/6fc9ea46f82e4f328d96a1ea55cb5ae2.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/eac4d8b79ed04c1cba6c1ba6f021d619.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/8a4413c134b34cf2b082673a51285f27.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/c62ffe76cbad41c0ae8a6b196c0faaa0.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2011/2/27/1570016886710272/1570016891936768/STEM/58535105944b485fafd8638252fbcdfb.png?resizew=28)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/2012/1/2/1570671644237824/1570671649628160/STEM/3c9ae504d23f47b085b9385cab810466.png?resizew=129)
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7 . 已知边长为1的正方形ABCD,E,F分别是边BC,DC上的两个动点,
,若
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1c259191e4f6e7b9b4ade550c614c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c960fc862fd36db83082f5c50cd604b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4c6c8ee6cfa9c997af4ae10b42c949.png)
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8 . 已知点
,抛物线
上两点
满足
,则当
取得最小值时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0bea681006f614f8a070e9c6a942c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f5b1f37a8076017f16c4d4ed3f72c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b661c79b7b866204fd4084c37bdd4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51535c864b579a96145bcba4da9b35eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
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10-11高三·江西·单元测试
9 . 若平面向量
,
满足
,
平行于x轴,
=(2,-1),则
=_____ .
![](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/98a268b99842456d3af045077b88b9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b91254db5ff748150f449c5cdd256c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
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2020-10-14更新
|
191次组卷
|
5卷引用:2011届浙江省杭州师范大学附属中学高三上学期第一次月考数学理卷
(已下线)2011届浙江省杭州师范大学附属中学高三上学期第一次月考数学理卷江苏省扬州市邗江区蒋王中学2019-2020学年高三上学期第三次学情检测数学(文)试题(已下线)2011届江西省莲塘一中高三习题精编文科数学单元练习(10)(已下线)专题5.2 平面向量的基本定理及坐标表示(精练)-2021届高考数学(文)一轮复习讲练测(已下线)第9章 平面向量(提高卷)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)
10 . 设平面向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e8382c1ce605c712a1d080fd4e1684.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788fa471d53a8be8dd55f561aecbf99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65867ded849c59c023fc41d7b63ba5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e8382c1ce605c712a1d080fd4e1684.png)
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