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WorksheetsQuiz on Matrix_1
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
What is a Matrix?
a)
An equation of over 5 numbers or symbols
b)
A set of numbers in rows and columns
c)
A method of finding the nth value of a series
d)
A complicated number system
2.
What is the name of each entry of a matrix?
a)
Row
b)
Element
c)
Dimension
d)
Numbers
3.
Name the order of this matrix.
a)
3x1
b)
1x3
c)
3
d)
1
4.
How many columns are in a 5 x 4 matrix?
a)
5
b)
4
c)
20
d)
9
5.
In Matrix R (pictured) what element is r23?
a)
8
b)
9.01
c)
6
d)
1
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.
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
8.
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
9.
What is the value of element a34?
a)
2
b)
-3
c)
6
d)
1
10.
If A is a square matrix of m by n then
a)
m=n
b)
m>n
c)
m<n
d)
none
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