WorksheetsRevision - O.Math
Total questions: 17
Worksheet time: 34mins
Name
Class
Date
1.
Which ratio represents the cos(θ)?
a)
x/y
b)
x/z
c)
y/x
d)
y/z
2.
Name the order of this matrix.
a)
3x1
b)
1x3
c)
3
d)
1
3.
How many rows are in a 7 x 3 matrix?
a)
7
b)
3
c)
21
d)
10
4.
In Matrix R (pictured) what is the value of element R3,2
a)
8
b)
9.01
c)
6
d)
1
5.
What are the dimensions of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
6.
What is the name of each entry of a matrix?
a)
Row
b)
Element
c)
Dimension
d)
Numbers
7.
Name the order of this matrix.
a)
3x1
b)
1x3
c)
3
d)
1
8.
How many rows are in a 7 x 3 matrix?
a)
7
b)
3
c)
21
d)
10
9.
How many columns are in a 5 x 4 matrix?
a)
5
b)
4
c)
20
d)
9
10.
In Matrix R (pictured) what is the value of element R3,2
a)
8
b)
9.01
c)
6
d)
1
11.
What are the dimensions of this matrix?
a)
2 x 3
b)
3 x 2
c)
6 x 1
d)
1 x 6
12.
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
13.
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
14.
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
15.
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
16.
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
17.
cos∠A? Сhoose the correct equality.
a)
A
b)
B
c)
C
d)
D
100 %
