WorksheetsMatrices Practice
Total questions: 13
Worksheet time: 54mins
Name
Class
Date
1.
Perform the indicated operation
a)
b)
c)
d)
e)
not possible
2.
How many rows does this matrix have?
a)
2
b)
3
c)
6
d)
4
3.
Perform the following operation
a)
b)
c)
d)
e)
not possible
4.
What do a, b, c and d equal in this matrix addition?
a)
a = -1, b = 10, c = 7, d = -11
b)
a = -1, b = 10, c = -11, d = 7
c)
a = 10, b = -1, c = 7 , d = -11
d)
a = 10, b = -1, c = -11, d = 7
5.
Find the determinant of the matrix
a)
A
b)
B
c)
C
d)
D
6.
Solve for the determinant of the following matrix:
⌈12 −3⌉
⌊−6 15⌋
*detA= ad-bc
⌈12 −3⌉
⌊−6 15⌋
*detA= ad-bc
a)
198
b)
162
c)
-333
d)
-9
7.
Calculate the determinant
a)
0
b)
none
c)
-32
d)
-8
8.
Does this matrix have an inverse?
a)
Yes
b)
No
c)
Maybe
d)
I don't know
9.
These matrices are being multiplied. Determine the dimension/size of the new matrix.
a)
Can't multiply them
b)
4 x 2
c)
3 x 3
d)
4 x 3
10.
Find the product of the two matrices.
a)
1 2
6 -8
6 -8
b)
-3 -5
-5 -11
-5 -11
c)
-2 8
-6 -12
-6 -12
d)
2 -3
5 -2
5 -2
11.
Find the product of the matrices.
a)
A
b)
B
c)
C
d)
D
12.
Can the operation be performed?
a)
Yes
b)
No
c)
tomato
d)
Maybe
13.
Find the determinant's value
a)
-18
b)
-23
c)
-2
d)
2
100 %
