名校
解题方法
1 . 向量
,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa27c09a5c955e423743bda656d0b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a709794d7ff5e38e5d8d465abca1c3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-06-07更新
|
336次组卷
|
8卷引用:北京市房山区北京师范大学燕化附属中学2023-2024学年高一下学期期中质量检测数学试题
北京市房山区北京师范大学燕化附属中学2023-2024学年高一下学期期中质量检测数学试题北京市延庆区2023-2024学年高一上学期期末考试数学试卷(已下线)第八章:向量的数量积与三角恒等变换(单元测试)-同步精品课堂(人教B版2019必修第三册)(已下线)8.1.3向量数量积的坐标运算-同步精品课堂(人教B版2019必修第三册)(已下线)8.1.3 向量数量积的坐标运算-【帮课堂】(人教B版2019必修第三册)天津外国语大学附属河北外国语中学2023-2024学年高一下学期第一次月考数学试题福建省厦门市同安第一中学2023-2024学年高一下学期第一次月考数学试卷(已下线)专题03 平面向量的9种常考题型归类(2) -《期末真题分类汇编》(北师大版(2019))
解题方法
2 . 如图,在四棱锥
中,
为等腰三角形,
,
,底面
是正方形,
,
分别为棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/532c16d7-b3a4-41c6-8a48-d128fa2ced48.png?resizew=179)
(1)求证:
平面
;
(2)再从条件①、条件②这两个条件中选择一个作为已知,求
与平面
所成角的正弦值.
条件①:
;
条件②:
.
注:如果选择条件①和条件②分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15eae3c2cb4274a947f6a011960934d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8c91e4c85a9da7f54b2237d870a50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/532c16d7-b3a4-41c6-8a48-d128fa2ced48.png?resizew=179)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf19a7f0dd0cdf59516ae585025110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)再从条件①、条件②这两个条件中选择一个作为已知,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0530f462e5ec1e58c46e1f7644d0cc21.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58bbc02479917ad761a24eaae0dbfd9.png)
注:如果选择条件①和条件②分别解答,按第一个解答计分.
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解题方法
3 . 已知双曲线C:
的左、右焦点分别为
,
,
为双曲线C左支上一动点,
为双曲线C的渐近线上一动点,且
最小时,
与双曲线C的另一条渐近线平行,则双曲线C的方程可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fd116eee4e10cb0836d386172d44b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 某校为了调查学生的体育锻炼情况,从全校学生中随机抽取100名学生,将他们的周平均锻炼时间(单位:小时)数据按照
,
,
,
,
分成5组,制成了如图所示的频率分布直方图.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/b4a7fa86-9124-4383-866d-5ce383689038.png?resizew=249)
(1)求
的值;
(2)用分层抽样的方法从
和
两组中抽取了6人.求从这6人中随机选出2人,这2人不在同一组的概率;
(3)假设同组中的每个数据用该区间的中点值代替,试估计全校学生周平均锻炼时间的平均数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328333e8a872d3c968a3e1a1f48b7c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf41c911922defde71eb49b3fe692307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c8990d108a0b5b5a396ed568f18df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33de8294567803cabb0dbf41304f4a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d79b61a7eaea095377b69fb687510a9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/b4a7fa86-9124-4383-866d-5ce383689038.png?resizew=249)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)用分层抽样的方法从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33de8294567803cabb0dbf41304f4a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d79b61a7eaea095377b69fb687510a9.png)
(3)假设同组中的每个数据用该区间的中点值代替,试估计全校学生周平均锻炼时间的平均数.
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解题方法
5 . 向量
,
,
在正方形网格中的位置如图所示,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
_________ .
![](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/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af09edec0461e5b630621d437f6a7f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/73aaa27e-e68e-4fa6-9edb-13fe90f03f5d.png?resizew=133)
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解题方法
6 . 如图,在棱长为
的正方体
中,点
是线段
上的动点.给出下列结论:
①
;
②
平面
;
③直线
与直线
所成角的范围是
;
④点
到平面
的距离是
.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbcdb9f641a2b3e06e0a01c79420667.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011abe509df00fe9410ab08b585ad7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a52848aff08399a36f217356007a4b.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6722e5d2eadabfbfceb767faddeba5.png)
④点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a52848aff08399a36f217356007a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238db0dc6e5f3a6ef147bcebf577c04.png)
其中所有正确结论的序号是
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/51e2b6df-72c2-4d92-a7fc-7dfa43e59835.png?resizew=177)
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7 . 记
为等差数列
的前
项和,已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738dc67ac3b150252a964d1ffe3dfa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8657a9f3eec0c1b0efa818f778129e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
您最近一年使用:0次
解题方法
8 . 函数
的定义域是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ba25925b6ed0b8d8dc7aad5e238be.png)
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9 . 已知直线
与圆
相切,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaacc570ace4399d09466d347c8ecdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff2ae4a9f5deb7b22141e591dd5621e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109fea550364bb2aabef823b83ccb37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8d6ce779554ef6d3ce1f5427b34da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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