WorksheetsMATRICES & SETS
Total questions: 15
Worksheet time: 23mins
Name
Class
Date
1.
Add
a)
11 8
-4 2
-4 2
b)
3 2
-6 -6
-6 -6
c)
-3 2
-4 -6
-4 -6
d)
10 8
-6 2
-6 2
2.
Find A-B
a)
-3 1
7 -1
7 -1
b)
1 0
1 -4
1 -4
c)
-4 0
6 -1
6 -1
d)
not possible because rows do not match columns
3.
Multiply
a)
20 15 -10
30 -5 0
30 -5 0
b)
-20 15 -10
30 -5 0
30 -5 0
c)
1 8 3
11 4 5
11 4 5
d)
20 -15 10
-30 5 0
-30 5 0
4.
Can the operation be performed?
a)
Yes
b)
No
c)
Sometimes
d)
only Mrs. Jordan knows
5.
How many columns are in a 5 x 4 matrix?
a)
5
b)
4
c)
20
d)
9
6.
a)
A
b)
B
c)
C
d)
D
7.
What are the ORDER of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
8.
Find 2A-3B
a)
-3 1
7 -1
b)
1 0
1 -4
c)
-4 0
6 -1
d)
-14 -5
11 -3
9.
Evaluate the determinant of the matrix.
a)
-21
b)
0
c)
9
d)
12
10.
Calculate the determinant.
a)
0
b)
-15
c)
-70
d)
10
11.
When solving a system AX=C using inverse matrices, you use the equation:
a)
X=A-1C
b)
C=X-1A
c)
A=X-1C
d)
X=C-1A
12.
Find the product of the two matrices.
a)
Undefined
b)
c)
d)
Identity Matrix
13.
Find -3A
a)
b)
c)
d)
Does Not Exist
14.
Subtract
a)
-5
-8
3
10
-8
3
10
b)
-9
8
3
2
8
3
2
c)
5
-8
3
10
-8
3
10
d)
-5
8
3
2
8
3
2
15.
You can multiply a 2X3 matrix by which matrix?
a)
2X2
b)
2X12
c)
3X12
d)
2X3
100 %
