名校
解题方法
1 . 已知椭圆
和双曲线
的公共焦点为
,在第一象限内的交点为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf679418512d6ad973531df808fd267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f9ebed0fde139e9699a8c46cc6620ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc9c2ee7fbe10e9392492c68138c739.png)
A.-4 | B.-6 | C.-8 | D.-9 |
您最近一年使用:0次
2024-01-11更新
|
1340次组卷
|
3卷引用:湖北省荆州市公安县车胤中学2024届高三上学期质检模拟数学试题(一)
2 . 已知平面向量
满足
,则
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e7ddbd7e5bee8e8b6b982fb39974c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·江苏南通·模拟预测
名校
解题方法
3 . 已知非零向量
,
满足
,且
在
上的投影向量为
,则
( )
![](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/19f1100340bc2283937d44abaabc28a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5229e91d34d5f4814de8fc7232d9fe58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06e744cba89ec01188e63b5d45ffffe.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2023-05-21更新
|
2386次组卷
|
7卷引用:湖北省荆州市松滋市第一中学2024届高三上学期12月月考模拟数学试题(二)
湖北省荆州市松滋市第一中学2024届高三上学期12月月考模拟数学试题(二)(已下线)江苏省南通市如皋市2023届高三下学期适应性测试(三)数学试题(已下线)第01讲 平面向量专题期末高频考点题型秒杀江苏省镇江中学2023届高三三模数学试题江苏省苏州市苏州中学2022-2023学年高一下学期6月月考数学试题2024届河南省信阳市浉河区信阳高级中学二模数学试题广东省广州市铁一中学2023-2024学年高一下学期3月月考数学试题
4 . 已知点
分别为直线
上的动点,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788ec53cbee00208c2524390c2ffd2d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c7f170dfc9f5f2e76eae7ea26a82d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91942670354affa8d52edadbcfa762bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a47b376264d525c790ebad49a849c08.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-05-08更新
|
735次组卷
|
3卷引用:湖北省荆州市沙市中学2023届高三下学期6月适应性考试数学试题
名校
5 . 已知向量
,
,
与
的夹角为
,若对任意
,当
时,
恒成立,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9338520b3ccd2d16e0db9acf8fdd1465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf342e77c56e55a35bb1151bc215a3a2.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/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d107ada5b88073d42481ba8dce1316de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b643b9d314f1f0a84235822e11c63366.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-05-03更新
|
160次组卷
|
2卷引用:湖北省沙市中学2022-2023学年高二下学期5月月考数学试题
名校
解题方法
6 . 已知向量
,
,
.若
与
垂直,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5463fb0b7d03747aa4d680620ca81be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0979ead3a09ede4835e7fe77c87850f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53dec1d306c6f467257184d11baa451d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3956599a5821a2018992785421abe720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2023-03-09更新
|
1035次组卷
|
7卷引用:湖北省沙市中学2022-2023学年高一下学期5月月考数学试题
名校
7 . 已知平面向量
,
满足
,
,并且当
时,
取得最小值,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7c6e69895574db29f6326bd82f21e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404067afb19bd74f447a6c0c832af1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9fde8d670b8d1bc619f5722467a87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2fa77da3a803251ab7a62214d00455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd135b98371091fc7cd40b6435caf1a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-01更新
|
1598次组卷
|
6卷引用:湖北省荆州市松滋一中2024届高三上学期12月月考数学试题
名校
解题方法
8 . 如图,在钝角
中,角
所对的边分别是
,
,过点
作与
垂直的单位向量
,将
与向量表达式
两边进行数量积的运算,即
,化简后得到的结论是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647f810ff679172f321d3aebe43cba02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be64d59ac6538a0f4d79fb825e082081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2079be0b9d0919862ca5bc8ea565f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2079be0b9d0919862ca5bc8ea565f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9548a29e572f3e26d72975f0be8cd35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346678839c47b5d351dc98a412bf2d19.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-07-04更新
|
882次组卷
|
5卷引用:湖北省荆州市部分重点高中2024届高考适应性考试数学试题
名校
解题方法
9 . 已知
,
,
与
的夹角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fa8ea29001bb1f0c1e5157aff2fca5.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/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/375599bb5af70a041f6cc340cd0f6b2a.png)
A.6 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-04-20更新
|
1181次组卷
|
6卷引用:湖北省荆州市沙市中学2022-2023学年高三上学期第二次月考数学试题
名校
10 . 已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fa8ea29001bb1f0c1e5157aff2fca5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ee1b0f11eb3e98654b20b427208f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338189ec20d1ec7fdbbc189d209428dd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次