Matrices Test (for an accuracy grade)

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Subtract

• -5
  -8
  3
  10
• -9
  8
  3
  2
• 5
  -8
  3
  10
• -5
  8
  3
  2

Tags

CCSS.HSN.VM.C.8

What are the dimensions of this matrix?

• 3x1
• 1x3
• 3x3
• 1x1

How many columns are in a 5 x 4 matrix?

• 5
• 4
• 20
• 9

What is a₂₃

• 14

• 4

• 1

• 3

Tags

CCSS.HSA.REI.C.8

Which sums can NOT be made from the following matrices ?

• A+A

• A+C

• B+D

• C+C

Tags

CCSS.HSN.VM.C.8

Which of the following products can NOT be made from these matrices ?

• AB

• BA

• BC

• BD

Tags

CCSS.HSN.VM.C.8

If A is a 2 × 3 matrix, and B is a 3 × 4 matrix, how many columns does AB have?

• 2

• 3

• 4

• AB is not defined

Tags

CCSS.HSN.VM.C.8

What must be true in order to ADD two matrices?

• They must be square.
• The dimensions must be equal.
• The determinant can't equal 0.
• The column of the 1st must equal the row of the 2nd.

Tags

CCSS.HSN.VM.C.8

• 
• undefined/not possible

• 
• 

Tags

CCSS.HSN.VM.C.7