Matrices Test

What is the dimension (order) of the matrix shown?

• ( 2 x 2 )

• ( 1 x 2 )

• ( 2 x 1 )

• ( 2 x 4 )

How many columns are in a 5 x 4 matrix?

• 5

• 4

• 20

• 9

Given matrices A and B find B+A

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.8

find: B*A

• 47     30
  9     5

• 17     15
  42     35

• 10     25
  7     1

• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

Which element is located in A₂₃?

• -3

• 5

• -9

• 2

Perform the matrix multiplication, if possible.

• 
• 
• 
• Cannot be multiplied, dimensions not compatible.

Tags

CCSS.HSN.VM.C.8

• A
• B
• C
• D

Tags

CCSS.HSN.VM.C.8

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

Tags

CCSS.HSN.VM.C.8

Find A + B

• 
• 
• 
• 

Tags

CCSS.HSN.VM.C.8

Perform the matrix multiplication, if possible.

• 
• 
• 
• Cannot be multiplied, dimensions not compatible.

Tags

CCSS.HSN.VM.C.8