名校
1 . 已知角
的终边经过点
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfb26697da414cd9154b5b65b5ea81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277e9a75b7ec584398950db026cdd534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知
是平面内的一组基底,则下列向量中能作为一组基底的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
3 . 已知平面向量
满足
,则
的最大值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ce319ab0bf31cb3031f95a5ea995adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e273de83d7f518df456d6f6f568ad4e4.png)
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4 . 函数
(
,
,
是常数,且
,
)的部分图象如图所示,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fcd3cea5f5e2fe943490dcb65d74c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
A.![]() | B.在区间![]() |
C.将![]() ![]() | D.![]() |
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2024-05-04更新
|
650次组卷
|
2卷引用:河南省信阳市第一高级中学2023-2024学年高一下学期第一次质量检测数学试题
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5 . 已知向量
,
,则下列结论:
①.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323ee865defc540ee01d279d77a6228a.png)
②.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebb8de6464971a443b86cf4ffb09d68.png)
③.若
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383984a28388825c3e0d6b98decacc98.png)
其中正确结论的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f726edf8cca26e1011faa7101c506e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56f7b7331d7bc66debf192e0f041f3a.png)
①.若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323ee865defc540ee01d279d77a6228a.png)
②.若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebb8de6464971a443b86cf4ffb09d68.png)
③.若
![](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/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383984a28388825c3e0d6b98decacc98.png)
其中正确结论的有( )
A.1个 | B.2个 | C.3个 | D.0个 |
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2024-05-04更新
|
216次组卷
|
3卷引用:河南省安阳市第一中学2023-2024学年高一下学期第二次阶段考试数学试题
河南省安阳市第一中学2023-2024学年高一下学期第二次阶段考试数学试题上海市华东师范大学第一附属中学2023-2024学年高一下学期期中考试数学试卷(已下线)专题03 平面向量-期末考点大串讲(沪教版2020必修二)
名校
解题方法
6 . 如图,在平面直角坐标系xOy中,点
,点
在单位圆上,
(
).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/8/0a14a7c5-26e7-480e-9564-ccc8d03e6c5f.png?resizew=175)
(1)求
的值;
(2)若四边形OADB是平行四边形,求点D的坐标;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8950c7bc835103d52ceffab14b6b31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf66ddd7e0869ffdce7f9c45972d193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb7e00f8bacce4d649b535449f04568c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0917d846965359153058d56498f076bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/8/0a14a7c5-26e7-480e-9564-ccc8d03e6c5f.png?resizew=175)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d1f5778af41bf197321d654a41597c.png)
(2)若四边形OADB是平行四边形,求点D的坐标;
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbdf11b398a9190998780206d7e9512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a66e27ef92fcc51530e54533e23973.png)
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2024-05-04更新
|
134次组卷
|
2卷引用:河南省郑州市郑中国际学校2023-2024学年高一下学期第二次月考(5月)数学试题
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解题方法
7 . 如图,已知在
中,
是边
的中点,且
,设
与
交于点
.记
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386f5b56b07b96f2600da1be15414a1.png)
表示向量
;
(2)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/6e93af0b7f165d45a8d635ff854d1733.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/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386f5b56b07b96f2600da1be15414a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b2f1f3c3a1e6f78e384193b1d07962.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36aa7531d9a2eb4449686164cd56e5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64ecaa4ed6aecefc9e26932e528596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e811dee23eb88d9f05fbdc9fbabf77b.png)
您最近一年使用:0次
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解题方法
8 . 如图,已知长方形
中,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbcc5b0a00c4c641604890345888018.png)
A.![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() |
D.对任意的![]() |
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9 . 已知正方形
的边长为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a47943692327fe31356248d190d422d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43438f37c1a74a430d5d491577f1c45f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-03更新
|
291次组卷
|
2卷引用:河南省安阳市第一中学2023-2024学年高一下学期第二次阶段考试数学试题
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10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b843dcf78629c1b46801552597ce1f.png)
,
的部分图象如图,则 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f957af5c03dbc392fe4a7c2895a433a1.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b843dcf78629c1b46801552597ce1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13475bcbebd8000293e134a6b9fc8411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f957af5c03dbc392fe4a7c2895a433a1.png)
您最近一年使用:0次