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Worksheets7 Matrix adding, subtracting
Total questions: 25
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
What are the dimensions of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
2.
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
3.
Subtract
a)
3 -8
0 -1
0 -1
b)
3 -4
8 -13
8 -13
c)
-3 8
0 1
0 1
d)
3 -8
-8 1
-8 1
4.
What do w, x, y and z equal in this matrix subtraction?
a)
w = 13, x = 4, y = 7, z = 23
b)
w = 13, x = -4, y = 11, z = 23
c)
w = 13, x = 4, y = 11, z = 23
d)
w = 13, x = 4, y = 11, z = 17
5.
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
6.
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
7.
If A+A+A+A+A = 5A, than Solve above question
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
8.
Can the operation be performed?
a)
Yes
b)
No
c)
Sometimes
d)
only Ms. Jones knows
9.
find the value of m, n, p and q.
a)
m=8, n=9, p=-4, q=4
b)
m=15, n = -45, p=20, q=-5
c)
m=20, n=-5, p=15, q=-45
d)
m=-5, n=20, p=-45, q=15
10.
Subtract
a)
3 -8
0 -1
b)
3 -4
8 -13
c)
-3 8
0 1
d)
3 -8
-8 1
11.
Find V + X
a)
b)
c)
d)
Does Not Exist
12.
WHAT IS THE ANSWER?
a)
A
b)
B
c)
C
d)
D
13.
WHAT IS THE ANSWER?
a)
A
b)
B
c)
C
d)
D
14.
How many rows are in a 7 x 3 matrix?
a)
7
b)
3
c)
21
d)
10
15.
How many columns are in a 5 x 4 matrix?
a)
5
b)
4
c)
20
d)
9
16.
a)
undefined
b)
c)
d)
17.
a)
undefined
b)
c)
d)
18.
a)
-5
b)
5
c)
0
d)
2
19.
a)
A
b)
B
c)
C
d)
D
20.
Simplify.
a)
A
b)
B
c)
C
d)
D
21.
Solve. Find C.
a)
A
b)
B
c)
C
d)
D
22.
Find W + Y + Z
a)
b)
c)
d)
Does Not Exist
23.
Find Z - W
a)
b)
c)
d)
Does Not Exist
24.
Find Y - V
a)
b)
c)
d)
Does Not Exist
25.
Find X - V
a)
b)
c)
d)
Does Not Exist
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