1 . 在平面直角坐标系
中,利用公式
①(其中
,
,
,
为常数),将点
变换为点
的坐标,我们称该变换为线性变换,也称①为坐标变换公式,该变换公式①可由
,
,
,
组成的正方形数表
唯一确定,我们将
称为二阶矩阵,矩阵通常用大写英文字母
,
,…表示.
中,将点
绕原点
按逆时针旋转
得到点
(到原点距离不变),求点
的坐标;
(2)如图,在平面直角坐标系
中,将点
绕原点
按逆时针旋转
角得到点
(到原点距离不变),求坐标变换公式及对应的二阶矩阵;
(3)向量
(称为行向量形式),也可以写成
,这种形式的向量称为列向量,线性变换坐标公式①可以表示为:
,则称
是二阶矩阵
与向量
的乘积,设
是一个二阶矩阵,
,
是平面上的任意两个向量,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6e18ee381b4e43352acb377fdb4bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0859290725efef72a1b04f473d07da6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c84c4a85e9f31e35bc48c15d9873a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c84c4a85e9f31e35bc48c15d9873a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39822cb6df5463c27ac9bfed261a2ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762bfc20a2da28b3c59225851ea40036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762bfc20a2da28b3c59225851ea40036.png)
(2)如图,在平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0859290725efef72a1b04f473d07da6e.png)
(3)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4224bf1cbcd51f4cbdce93d981d65c5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c17f1f4912527319e32f60e7523c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26b9e508047e76f3a7ad88d587702ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd47bfcd685d2466ee27c01bf286406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c84c4a85e9f31e35bc48c15d9873a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c17f1f4912527319e32f60e7523c65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595e7e1d74355ac82dcfc16b3e86cf78.png)
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2024-04-12更新
|
1938次组卷
|
7卷引用:安徽省皖江名校联盟2024届高三下学期4月模拟数学试题
安徽省皖江名校联盟2024届高三下学期4月模拟数学试题(已下线)模块五 专题5 全真拔高模拟1(高一人教B版期中)(已下线)数学(新高考卷02,新题型结构)(已下线)模块五 专题5 全真拔高模拟1(苏教版期中研习高一)(已下线)压轴题02圆锥曲线压轴题17题型汇总-1湖南省湘楚名校2023-2024学年高二下学期5月月考数学试题黑龙江省实验中学2024届高三第四次模拟考试数学试题
2 . 已知函数
,将函数
向右平移
个单位得到的图像关于
轴对称且当
时,
取得最大值.
(1)求函数
的解析式:
(2)将函数
图象上所有的点向右平移
个单位长度,得到函数
的图象,若
,且
,求
的值.
(3)方程
在
上有4个不相等的实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389be576e2f6d0988a1e4a4bb2a53b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782aebe90d3ce38ea5cab55eeb89d3f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5f4aadc17b6d5c9760a75fab7fb760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eebb6b1d1bda9fc97bd8860513dbccc2.png)
(3)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2184cb61271dea748f32e4d947918dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f958fea0f66b616e4c5fd3e6885be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-12更新
|
718次组卷
|
4卷引用:辽宁省沈阳市沈阳铁路实验中学2023-2024学年高一下学期4月月考数学试题
名校
3 . 设函数
,若对于任意实数
,函数
在区间
上至少有2个零点,至多有3个零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545e70674ab9a9d9afa707bb32b921ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-11更新
|
917次组卷
|
2卷引用:湖南省长沙市第一中学2023-2024学年高一下学期开学自主检测数学试卷
名校
4 . 关于函数
有以下四个结论,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae9626b787761fe426dde4eb4d4b1e7.png)
A.![]() |
B.![]() ![]() |
C.方程![]() ![]() ![]() |
D.函数![]() |
您最近一年使用:0次
5 . 已知函数
,
,有两个零点
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d72ecb5654754bf4d005b8d49c852d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c557e65893b1e305766df2af725668b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
A.当![]() ![]() | B.![]() |
C.若![]() ![]() | D.![]() |
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2024·全国·模拟预测
6 . 已知函数
.
(1)若
,讨论
的单调性;
(2)若
,求
在
上的最小值
,并判断方程
的实数根个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50843fe622dcfbb0745a4b7eda9d3bcd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b3ae7e5228fd1acb0d46f6941143a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750c3d2e3da278b742e0ddfaf0bad44d.png)
您最近一年使用:0次
名校
解题方法
7 . 若非空集合A与B,存在对应关系f,使A中的每一个元素a,B中总有唯一的元素b与它对应,则称这种对应为从A到B的映射,记作f:A→B.
设集合
,
(
,
),且
.设有序四元数集合
且
,
.对于给定的集合B,定义映射f:P→Q,记为
,按映射f,若
(
),则
;若
(
),则
.记
.
(1)若
,
,写出Y,并求
;
(2)若
,
,求所有
的总和;
(3)对于给定的
,记
,求所有
的总和(用含m的式子表示).
设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f471707062efa20856b51c22e6f84dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21baa8bc435ec6b2c9b67877171a3173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361386446d504a14471b9fd89130f1c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e2cf3c6d97e637b06bc3f173e2294b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2cab9bca9269b6a450c4b52f0557ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cb04516f1b2735ce3f3b4650dd44d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9dd64d5d8d3e0da1bd6a1821735620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804359bfe1c504ea7c4fef24f816c1ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a050b856ea45102abeca042f7fa51c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e951e5ed59afb9cbca7ba7b3f57d637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454dd532a75670c2c5fe340e7cf6394e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66803407d09e203ad26667f83d13cb73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e951e5ed59afb9cbca7ba7b3f57d637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65882cdf1d004742addf809d8b9085cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3e85ec77053cebbd8b2f6f6300ac66.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024b3cc2f0b74a8e3b34bae24fa44707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab44704e5aa4ff926a58cebdcc4dad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eb6e559b36bbfab633520897b7c9d8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3334356ffb98a848fe7a027437e8fbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab44704e5aa4ff926a58cebdcc4dad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eb6e559b36bbfab633520897b7c9d8.png)
(3)对于给定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f278ad5460e4a89bea4068beabb8df15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31ccd147dd0dd022bd2e605d2b0f7fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eb6e559b36bbfab633520897b7c9d8.png)
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2024-04-08更新
|
573次组卷
|
2卷引用:云南省昆明市2024届”三诊一模“高三复习教学质量检测数学试题
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727088002886910f1b8bff4492c8f453.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fa0035770a41d223aadf0a1c5e186b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727088002886910f1b8bff4492c8f453.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
满足对任意
,都有
,且当
时,
,函数
是定义域为
的偶函数,满足
,且当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74325e5da185c3f6c5f20d91027a4589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd26cf4ba8fe98bc4dbc37103b805dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71bb7883ea87e6275472dbe14ee62357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1275f567f4313471df4daad443743f43.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
是定义域为
的奇函数,函数
,且当
时恒成立,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c19b5e7ec97fb0dc579c3f0c47f2727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967d2a64967055bf7847d26f5eb7bb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f66193ff4404822ce1410b60d251569.png)
A.![]() | B.不等式![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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