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WorksheetsMATRICES 3
Total questions: 10
Worksheet time: 59mins
Name
Class
Date
1.
What comes first in the order?
a)
Row
b)
Column
2.
What are the dimensions of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
3.
In Matrix R (pictured) what element is in the second row, third column?
a)
8
b)
9.01
c)
6
d)
1
4.
The number of columns in a 2x12 matrix is?
a)
10
b)
24
c)
12
d)
2
5.
Calculate the determinant
a)
0
b)
-15
c)
-70
d)
10
6.
What is the inverse of this matrix?
a)
(1/25) (-4/25)
(3/25) (13/25)
(3/25) (13/25)
b)
(1/5) (-4/5)
(3/5) (13/5)
(3/5) (13/5)
c)
(6/25) (-2/25)
(2/25) (9/25)
(2/25) (9/25)
d)
(1/150) (-4/150)
(3/150) (13/150)
(3/150) (13/150)
7.
What is the formula for the determinant of a 2x2 matrix?
a)
ad-bc
b)
ab-cd
c)
ad+bc
d)
(a+d)(b+c)
8.
Which matrix is an identity matrix
a)
A
b)
B
c)
C
d)
D
9.
Find Inverse of M
a)
b)
c)
d)
10.
Find the inverse of the matrix.
a)
b)
c)
d)
No Inverse Exists
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