名校
1 . 线性方程组
的增广矩阵是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84a4e01b06215bb5f6a3284307027c3.png)
您最近一年使用:0次
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2 . 能成为以行列形式表示的直线方程
的一个方向向量的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0703aecbb1d9fdc7e1c316fb71f0764b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76819a2ffc8834c0d9733a53fe4c5aee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cb1bdfe66915c39f40963c186ab304.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知矩阵
的某个行向量的模不大于行列式
中元素0的代数余子式的值,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c43426c19bc1e234d1307c8cbdc4f22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f67555a8aaf9f0dea88f1812d6b7e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-02-29更新
|
75次组卷
|
2卷引用:上海市金山中学2018-2019学年高二上学期期中数学试题
名校
4 . 矩阵运算
的几何意义为平面上的点
在矩阵
的作用下变换成点
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/7a10b9be082ae1e75f8a56e06b1a30b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dbdca5ba316d74e1f1146b7502ad231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260c51ace0eaf9ad4b9b2187e2d6bd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a10b9be082ae1e75f8a56e06b1a30b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed5501bf7807903cd87fe00a5557171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3d5d0fcc0311f3e7474c4da83a1255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb99abc26156c2dfe6941041e7e9f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95183ef59f0de9c042891341da8e2f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba391c290c403c6f456271dbe3cc9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739cb10e72ef43252f7726e83e41b6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
您最近一年使用:0次
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5 . 已知一个关于
的二元一次方程组的增广矩阵为
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8002d291ce133b2c804674877123491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8c493c1d99425bf5bf35d5f7813207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3375d59253a775afbbf37a7ff1131c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
6 . 方程组
的增广矩阵为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5bdd63f5b0c41d5152e8c8aad7e5b3.png)
您最近一年使用:0次
14-15高二上·上海徐汇·期中
名校
7 . 有矩阵
、
、
,下列运算可行的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2902d1eef83fe17c0eb6a410b5fb51d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae6f5cb725e84d4a9cec9159a0a5db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67a707ca720a2240ecc2c05b2f14c56.png)
A.AC | B.BAC | C.ABC | D.ABAC |
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8 . 已知矩阵
,
,则A2B=_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8211ee8e67ee919a0ad3d3eafce63180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed8657df633ac5d979763ab69006b84.png)
您最近一年使用:0次
名校
9 . 已知矩阵
,
,
,且
,则
的值为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8a108c69f8cfd68c11e39b64f6ece1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2441a4e398ae25d50686fb67d23383d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927c5be78bfb7f29a0b2f8de76334a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccb599cd92762b73de0b90ea008c19f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2020-02-04更新
|
78次组卷
|
2卷引用:上海市上海师范大学附属中学2016-2017学年高二上学期期中数学试题
名校
10 . 计算矩阵乘积:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa436d08909bdd7b8b7171c91ba3a7b9.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa436d08909bdd7b8b7171c91ba3a7b9.png)
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