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WorksheetsMatrices
Total questions: 15
Worksheet time: 48mins
Name
Class
Date
1.
a)
2x3
b)
3x2
c)
3x4
d)
4x3
2.
What is a23
a)
14
b)
4
c)
1
d)
3
3.
Which sums can NOT be made from the following matrices ?
a)
A+A
b)
A+C
c)
B+D
d)
C+C
4.
a)
b)
c)
d)
5.
a)
b)
c)
d)
6.
What is the dimension of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
7.
What must be true in order to ADD two matrices?
a)
They must be square.
b)
The dimensions must be equal.
c)
The determinant can't equal 0.
d)
The column of the 1st must equal the row of the 2nd.
8.
What do w, x, y and z equal in this matrix equation?
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
9.
a)
b)
c)
d)
10.
a)
b)
undefined/not possible
c)
d)
11.
The matrix A - B is
a)
b)
c)
d)
12.
What do m, n, p and q equal in this scalar matrix multiplication?
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
13.
What are the dimensions of this matrix?
a)
4x3
b)
3x4
c)
3
d)
4
14.
a)
b)
c)
d)
15.
a)
a
b)
b
c)
c
d)
d
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