名校
1 . 某同学用“五点法”画函数
在某一个周期内的图象时,列表并填入了部分数据,如下表:
(1)请将上表数据补充完整,并直接写出函数
的解析式;
(2)将
图象上所有点向左平行移动
个单位长度,得到
的图象.若
图象的一个对称中心为
,求
最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575c9fb9e3fe4cb33d21cb34052090f8.png)
![]() | 0 | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | |||
![]() | 0 | 5 | 0 | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5ea79d75512a14d0b4d678b5880a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/358c8c0e7bc2f31f50d9aab6b2f84f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2021-08-28更新
|
493次组卷
|
5卷引用:广西防城港市防城中学2020-2021学年高一下学期期中考试数学试题
广西防城港市防城中学2020-2021学年高一下学期期中考试数学试题(已下线)5.6 函数y=Asin(wx+φ)(精讲)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第一册)广东省广州市第二中学2019-2020学年高一上学期期末数学试题湖南省长沙市第一中学2021-2022学年高一下学期入学考试数学试题广东省珠海市斗门区第一中学2022-2023学年高一下学期期中数学试题
解题方法
2 . 已知向量
,
.
(1)若
,且
,求x的值;
(2)记
,求
的最大值和最小值以及对应的x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f42e42dccc5d4aa699d7df35c822f0b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7ecef4d5139c356a9dfb24f17f9a0d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd1f6bd3686a07efa4086a02b96a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de38117a88c0264b3df1473d0daad82.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93db81a2f3c67b2dcf05c2e74767ebde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
3 . 已知平面内三点
,
,
.
(1)若A,B,C三点共线,求n的值;
(2)若
,判断
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0c0a2c64eede381b69dbd19f448a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745c82cc6418b182b01a5782e310c149.png)
(1)若A,B,C三点共线,求n的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9be3ebb6f9980e57d0e8280e99bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
4 . 已知
,
为锐角,
,
,求
(1)
的值;
(2)
的值;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db73deb6fa502e49e3c873ef076fbc32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c495cc17fda0921260cad544a35d33a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb558837e85c3ba4d3f052dcc3c3659.png)
您最近一年使用:0次
5 . 已知
与
的夹角为60°,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9c871c859eb7cc4db39af7e49a9b67.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/684c1e271918b98b9b19f340564d1a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e623a17da26d6183cf859a9b429c331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9c871c859eb7cc4db39af7e49a9b67.png)
您最近一年使用:0次
解题方法
6 . 已知向量
,
,则向量
与
的夹角为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c2064fee4ae594239fd73f13f28e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcccb45df5965a911afd5dddeab4424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
您最近一年使用:0次
2021-08-28更新
|
311次组卷
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2卷引用:广西防城港市防城中学2020-2021学年高一下学期期中考试数学试题
解题方法
7 . 已知函数
的部分图像如图所示,点
,
,则函数
图像的一条对称轴方程为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/1c0a0ef5-8116-452a-bc2d-9866b6846140.png?resizew=94)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33de91e5116e67c493b0c2fa4d4ff7ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1686acda213cbc7a50697dfe4d628269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9c5ee2b131b7431f2fa9de4d95a404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/1c0a0ef5-8116-452a-bc2d-9866b6846140.png?resizew=94)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 函数
的最小正周期是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76dfd01cded68ca160eedd0ae565176.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知向量
,
,若
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af7a3f6b838b0c56d410c0628fdc907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be58b4113a306a63b8d455f4608b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.2 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
2021-08-28更新
|
317次组卷
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2卷引用:广西防城港市防城中学2020-2021学年高一下学期期中考试数学试题
名校
10 . 甲、乙两名同学在5次体能测试中的成绩的茎叶图如图所示,设
分别表示甲、乙两名同学测试成绩的平均数,s1,s2分别表示甲、乙两名同学测试成绩的标准差,则有( )
![](https://img.xkw.com/dksih/QBM/2021/6/2/2734229059624960/2782535051034624/STEM/cd68c879f118460f8f3a21e77e210e84.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2b47762317d6373317786548fb8423.png)
![](https://img.xkw.com/dksih/QBM/2021/6/2/2734229059624960/2782535051034624/STEM/cd68c879f118460f8f3a21e77e210e84.png?resizew=166)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
2021-08-13更新
|
156次组卷
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5卷引用:广西防城港市防城中学2020-2021学年高一下学期第二次月考数学试题