Free Printable Matrices Revision

1.

What is the order of the Matrix

a)

2 x 3

b)

3 x 2

c)

2 x 6

d)

6 x 2

2.

In Matrix R (pictured) what is the value of element R_3,2

a)

8

b)

9.01

c)

6

d)

1

3.

How is the entry of a matrix identified?

a)

Row x Column

b)

Column x Row

c)

Row only

d)

Column only

4.

Can you multiply a 3 x 4 matrix with a 4 x 2 matrix?

a)

Yes

b)

No

5.

What is the name of each entry of a matrix?

a)

Row

b)

Element

c)

Dimension

d)

Rectangle

6.

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.

7.

What are the dimensions of this matrix?

a)

2 x 3

b)

3 x 2

c)

6 x 1

d)

1 x 6

8.

a)

b)

c)

d)

9.

a)

b)

c)

d)

10.

a)

b)

c)

d)

11.

The determinant of the given Matrix is

a)

$bd\ -ca$

b)

$da-cb$

c)

$db+ca$

d)

$dc-ba$

12.

The addition of the matrices gives a

a)

3 x 3 matrix

b)

3 x 2 matrix

c)

2 x 2 matrix

d)

2 x 3 matrix

e)

none of the above

13.

The multiplication of the matrices gives a

a)

3 x 1 matrix

b)

1 x 3 matrix

c)

1 x 1 matrix

d)

3 x 3 matrix

e)

none of the above

14.

a)

b)

c)

d)

e)

None of the above

15.

We can subtract two matrices A and B if their

a)

elements are same

b)

order is same

c)

rows are same

d)

columns are same

16.

If the sum of two matrices A and B is a zero matrix, then A and B are said to be

a)

multiplicative inverse of each other

b)

additive inverse of each other

c)

transpose of each other

d)

determinant of each other

17.

How many rows are in a 7 x 3 matrix?

a)

7

b)

3

c)

21

d)

10

18.

Find A+B

a)

8 10

8 1

b)

12 25

7 1

c)

10 30

0 1

d)

8 10

12 5

19.

Find B - A

a)

-4 0

6 -1

b)

1 0

1 -4

c)

4 0

-6 1

d)

4 0

-1 5

20.

Add

a)

11 8
-4 2

b)

3 2
-6 -6

c)

-3 2
-4 -6

d)

10 8
-6 2

21.

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 n^th value of a series

d)

A complicated number system

22.

You can multiply a 2X3 matrix by which matrix?

a)

2X2

b)

2X12

c)

3X12

d)

2X3

23.

Multiply

a)

1 2

6 -8

b)

-3 -5

-5 -11

c)

-2 8

-6 -12

d)

2 -3

5 -2

24.

Can the operation be performed?

a)

Yes

b)

No

c)

Sometimes

d)

only Mr V knows

25.

Find the product of the two matrices.

a)

undefined

b)

-3 16

17 12

8 -10

c)

3 12

-15 -8

-1 -3

26.

In Matrix R (pictured) what is the value of element R_3,2

a)

8

b)

9.01

c)

6

d)

1

27.

Multiply

a)

20 15 -10
30 -5 0

b)

-20 15 -10
30 -5 0

c)

1 8 3
11 4 5

d)

20 -15 10
-30 5 0

28.

Find

A\times B

a)

47 30

9 5

b)

17 15

42 35

c)

10 25

7 1

d)

not possible because rows do not match columns

29.

Find the product of the two matrices.

a)

17 12
25 18

b)

8 9
12 6

c)

6 6
7 5

d)

12 10
10 12

30.

a)

A

b)

B

c)

C

d)

D

Matrices Revision

Total questions: 30

Worksheet time: 1hrs 7mins

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