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1st and 3rd Pd DOL - Lesson 4 Introduction to Matrices

Total questions: 6

Worksheet time: 10mins

Name
Class
Date
1.

What must be true in order to subtract 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.
2.
Dimensions?
a)
a
b)
b
c)
c
d)
d
3.
a)

a

b)

b

c)

c

d)

d

4.

Can the operation be performed?

a)

Yes

b)

No

c)

Sometimes

d)

only your teacher knows

5.

Subtract

a)

A

b)

B

c)

C

d)

D

6.

Multiply by scalar

a)

D

b)

C

c)

B

d)

A