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WorksheetsRevision: Matrices
Total questions: 13
Worksheet time: 8mins
Name
Class
Date
1.
a)
Order: 2 x 4
b)
Order: 4 x 2
2.
Choose CORRECT statements.
a)
I & II
b)
II & III
c)
III & IV
d)
II, IIII & IV
3.
Choose CORRECT answers.
a)
x=−2
b)
x=2
c)
y=−1
d)
y=1
4.
Calculate the following multiplication of two matrices.
a)
b)
c)
d)
5.
Calculate
a)
b)
6.
Calculate
a)
b)
c)
7.
Calculate determinant for matrix A.
a)
5
b)
6
c)
13
d)
14
8.
Calculate determinant for matrix A.
a)
0
b)
2
c)
3
d)
4
9.
Find the inverse of matrix A.
a)
b)
Inverse does not exist.
10.
Choose CORRECT statements.
a)
m13=2
b)
m32=−9
c)
c13=−2
d)
c32=9
11.
Find the adjoint for the following matrix.
a)
b)
12.
All are correct EXCEPT
a)
a11=9
b)
a24=3
c)
a33=4
d)
a41=0
13.
What can we say about above the matrices?
a)
A=31B
b)
A=3B
c)
B=3A
d)
B=31A
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