Matrices Test Study

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

• ( 2 x 2 )

• ( 1 x 2 )

• ( 2 x 1 )

• ( 2 x 4 )

What is the name of each entry of a matrix?

• Row
• Element
• Dimension
• Rectangle

What is the entry at r₃₁?

• 3

• 1

• 4

• 7

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

What are the dimensions of matrix B?

• 2 x 3

• 3 x 2

• -8 x 10

• 3 x 3

What are the dimensions of matrix E?

• 2 x 3

• 4 x 2

• 2 x 4

• -2 x 10

Using matrix A find the element  $a_{2,3}$  

• 8

• 6

• -5

• 5

Matrix C is a 2 x 3 matrix with $c_{2,1}=6$  
Which could be matrix C?

• 
• 
• 
• 

Matrix C is a 3 x 2 matrix with $c_{1,2}=6$  
Which could be matrix C?

• 
• 
• 
• 

Subtract

• 3    -8
  0   -1
• 3   -4
  8  -13
• -3   8
  0    1
• 3   -8
  -8    1

Tags

CCSS.HSN.VM.C.8