1 . 已知线性方程组的增广矩阵为
,若该线性方程组的解为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a82afbc1186af918a2f36b08c506c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc499100c1b779e2b34b2c22676eb8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2 . 已知矩阵
.
(1)求
的逆矩阵
;
(2)求圆
经过
变换后所得的曲线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4397108afca112fb223196971b2b5b5d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
(2)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385b72221d2efe6efc680d115f4e3683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a84646168f0afc4380043a52b818c35.png)
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2020-05-18更新
|
126次组卷
|
3卷引用:【理科附加】专题01 矩阵与变换-2020年高考数学母题题源解密(江苏专版)
3 . 曲线
在矩阵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66406affbb7914f761882e93d3a77de3.png)
对应的变换下得到曲线
.
(1)求矩阵
;
(2)求矩阵
的特征向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66406affbb7914f761882e93d3a77de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f311053d11884b1a21d5f9b5724996c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf679418512d6ad973531df808fd267.png)
(1)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求矩阵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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2020-05-16更新
|
95次组卷
|
3卷引用:【理科附加】专题01 矩阵与变换-2020年高考数学母题题源解密(江苏专版)
(已下线)【理科附加】专题01 矩阵与变换-2020年高考数学母题题源解密(江苏专版)2020届江苏省南京师大附中、淮阴中学、姜堰中学、海门中学四校高三下学期4月联考数学试题江苏省2020届高三下学期6月高考押题数学试题
4 . 已知矩阵
,
的逆矩阵
.
(1)求
、
的值;
(2)若点
在矩阵
对应的变换作用下得到点
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca2c24cb94552fb262bbc2f603d1947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197b3125273fa5a25f3bbe5f9d96099c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136b2d328b319d30721bdc4903cd9ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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5 . 若矩阵
是线性方程组
的系数矩阵,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f48f1fa606d4be1ca3f48e562030e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f85d78aedf5469294ff9dce1534297.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-13更新
|
193次组卷
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4卷引用:课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)2020届上海市崇明区高三二模数学试题上海市五爱高级中学2021届高三上学期期中数学试题上海市南汇中学2022届高三下学期3月月考数学试题
6 . 已知实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e7581a9b1bdf7e15be780aaaecc4a4.png)
,且
,则行列式
的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e7581a9b1bdf7e15be780aaaecc4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b0ba5c937b27a27b5ef5ab9e51a935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c151ea5fe41ddf7edbbba975745808d.png)
A.最小值是2 | B.最小值是![]() | C.最大值是2 | D.最大值是![]() |
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2020-05-08更新
|
149次组卷
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3卷引用:课时29 二、三阶行列式-2022年高考数学一轮复习小题多维练(上海专用)
7 . 设函数
,则方程
的解为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe7fcd36146b531d28f62c3f306ed8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c40fbce4eb062d31adff46b375e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
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8 . 关于
、
的二元一次方程组
,
无解,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
________ .
![](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/0cbb11b8e59d7f83f2f085de27bf41a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc8ef902dc3481ae24d888f57466154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
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2020-02-29更新
|
100次组卷
|
3卷引用:课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)
(已下线)课时28 矩阵的概念及运算-2022年高考数学一轮复习小题多维练(上海专用)上海市建平中学2019届高三上学期10月月考数学试题上海市交通大学附属中学嘉定分校2019-2020学年高二上学期10月月考数学试题
9 . 若矩阵
,
,求矩阵
的逆矩阵.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08bdb5fc25f83a62f6fd0d127a010410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd378ddb75ce1bc9acb30ba1c2154796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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10 . 求使等式
成立的矩阵
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e1869f664247e1f5dd66515a9857e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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