1 . 已知数表
,
,
,其中
,
,
分别表示
,
,
中第
行第
列的数.若
,则称
是
,
的生成数表.
(1)若数表
,
,且
是
,
的生成数表,求
;
(2)对
,
,
数表
,
,
与
满足第i行第j列的数对应相同(
).
是
,
的生成数表,且
.
(ⅰ)求
,
;
(ⅱ)若
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9269360e275b7d80b6cdc272af8eedbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3703fa838be7c2c7ae3944fc24536cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e30310b713914b2b021d9ffa89dee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a14c188b1c9d61aa237b137ba18023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223f93ed43c7772a367043ae224b75da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2cf56fabf5a66f4f99e499bf371846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b11e86b3abf5d95a36a9cc611534780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa4dbfb36335e29c3ebca8dca33d4e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03e28332446eea06a9bd61050d38373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67fcefc49af5da7ca9016c80e6a1ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03e28332446eea06a9bd61050d38373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b11e86b3abf5d95a36a9cc611534780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa4dbfb36335e29c3ebca8dca33d4e1.png)
(1)若数表
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a413014cfac660883ba4bbb844b255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025393abcedb4f6dd0b1be720a7b955f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c97da671781944dcbac93af7cadcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174541741f9d18ca1394943abd2ed0aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403e9c8769f452f0c9e69a178b3c0cb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c97da671781944dcbac93af7cadcb.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
数表
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce60f9ae46219ff2567aa1470fd1a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd6a98dcb4b1455486e05a9141b8dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d946a5730d33d84577c7bc4a69b9e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160710545968157b392c210012e81ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ffc1d9460ea481e699ed84da936250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f91d58007c604e83eb066e79e8cc88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b11e86b3abf5d95a36a9cc611534780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d946a5730d33d84577c7bc4a69b9e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb4e0386d1ce782d770ef7236edbea7c.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e542a1e1667a89ce2e20a2b52b42e359.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7023dd3e3bac9a9b47e75d2976b0efab.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c96a64acdc0c29543dae62909b4e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2 . 设
、
、
、
,称
为二阶方阵,全体二阶方阵构成的集合记为
,定义
中的两种运算:①
,
,
;②设
,
,则下列说法正确的有( )
![](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/7a876ecb804eb0553c246e5fcc40b708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a07e00e7ba9e23b1d6ef7ede078d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a07e00e7ba9e23b1d6ef7ede078d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8eda61001da71270bdca6586893a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00805ad79d2941bc7e16af7bf6bdb42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833a07e00e7ba9e23b1d6ef7ede078d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3963548c61d6aa7107f6c4fa8460b246.png)
A.![]() ![]() ![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() ![]() |
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3 . 解关于
,
的二元一次方程组
,并对解的情况进行讨论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6bea6eaa806d4cfa739633bc4d9f827.png)
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4 . 三阶行列式
中第
行第
列元素的代数余子式的值小于
,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bbbd0dfc62ed9125fa80bb762ac1d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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5 . 用行列式讨论下列直线的位置关系![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71187e41a7278c6f1893852944bb782.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4b99f920ce922c4709077a6662446.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71187e41a7278c6f1893852944bb782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d692c427b43ef979b55112687ccdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4b99f920ce922c4709077a6662446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b3be7c997a35b3277e1d3e0c9b0938.png)
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6 . 矩阵的一种运算
,该运算的几何意义为平面上的点
在矩阵
作用下变换成点
,若曲线
,在矩阵
的作用下变换成曲线
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c158a0dafc1ed72d4cd92ce8be537d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1eaadd274b7644891f5550a799a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe027ff8bff5b84819a7d2c514e9de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3fa06df195ae83f7ea63b16158748be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5339be0bc4d6f090b6de7112636d500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760a793ad8dadeba59aef81106e95288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 设2阶方矩阵
,则矩阵A所对应的矩阵变换为:
,其中
,
,其意义是把点
变换为点
,矩阵M叫做变换矩阵.
(1)当变换矩阵
时,点
,
经矩阵变换后得到点分别是
,
,求经过
,
的直线的方程;
(2)当变换矩阵
,点
经矩阵
的作用变换后得到点
,求实数m,n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66226d08dd84a2e6dc096c3fcfc7e41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc163fa0a2929ff019012aa3623088b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909e45af90756a0dc1fee910b1661974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8061249592e9502a68f0d5b52172724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b08f646952c521d4f022af322b179a0a.png)
(1)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b0cf31caa3e7c5c7dced1559726f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87cae2228b72a1ec635860203496967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
(2)当变换矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184ca29a211cfb1c6b492993a608edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518dfce0a9aab04171383586c5077146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8fd27ebdd03bd80b1843c3f79e55ee.png)
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真题
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8 . 某班试用电子投票系统选举班干部候选人,全班k名同学都有选举权和被选举权,他们的编号分别为1,2,
,k,规定:同意按“1”,不同意(含弃权)按0”,令
,其中
,且
,则同时同意第1,2号同学当选的人数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237e6478ccb922c911926fc7fe2c1954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940cd957b9db25326a0c7a413df7f1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d796f419d4ef9ba590cb825ebb87cdd4.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2022-11-09更新
|
234次组卷
|
6卷引用:2003年普通高等学校招生考试数学(理)试题(北京卷)
2003年普通高等学校招生考试数学(理)试题(北京卷)2003年普通高等学校招生考试数学(文)试题(北京卷)2019年上海市上海中学高三下学期数学测试2数学试题(已下线)考向16 数列求和及数列的综合应用-备战2022年高考数学一轮复习考点微专题(上海专用)北京一零一中学2020-2021学年高一新生入学摸底测试数学试题辽宁省实验中学2023-2024学年高二下学期期中阶段测试数学试卷
9 . 设二阶矩阵
.
(1)求
;
(2)若曲线C在矩阵A对应的变换作用下得到曲线C:6x2-y2=1,求曲线C的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12ce72dea3e08e90df1bdebfb1fbd5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
(2)若曲线C在矩阵A对应的变换作用下得到曲线C:6x2-y2=1,求曲线C的方程.
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10 . 若线性方程组的增广矩阵为
,解为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94dcf94f8a226a25145162429aaedb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203dfe536ac65ff8405862204fca6ea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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