Matrices Review 1

Name the dimensions.

• 2 x 4
• 4 x 2
• -2 x 6
• 1

Tags

CCSS.7.G.B.6

Name the dimensions

• 3x1
• 1x3

Can the operation be performed?

• Yes
• No
• potato

Tags

CCSS.HSN.VM.C.8

How many columns are in a 
 5 x 4 matrix?

• 5
• 4
• 20
• 9

Tags

CCSS.3.OA.A.3

Identify element a₂₂

• -3
• -4
• 1

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What is the value of element a₂₃?

• 2
• -1
• 6

Multiply

• 20     15    -10
  30     -5         0
• -20      15     -10
  30     -5          0

Tags

CCSS.HSN.VM.C.7

Add

• 11    8
  -4     2
• 3     2
  -6    -6

Tags

CCSS.HSN.VM.C.8

Subtract

• -5
  -8
  3
  10
• -9
  8
  3
  2

Tags

CCSS.HSN.VM.C.8

If the matrices can be multiplied, what dimension is the product? If not, write undefined.

• undefined

• ( 3 x 1 )

• ( 1 x 2 )

• ( 3 x 2 )

Tags

CCSS.HSN.VM.C.11