S21 Matrices Review

What is a₂₃

• 14

• 4

• 1

• 3

Tags

CCSS.HSA.REI.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

Subtract

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

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.6

Multiply

• 20     15    -10
  30     -5         0
• -20      15     -10
  30     -5          0
• 1        8       3
  11     4        5
• 20     -15     10
  -30         5        0  

Tags

CCSS.HSN.VM.C.8

You can multiply a 2X3 matrix by which matrix?

• 2X2
• 2X12
• 3X12
• 2X3

Tags

CCSS.HSN.VM.C.8

Find the product of the two matrices.

• undefined
• -3   16
  17   12
  8   -10
• 3   12 
  -15  -8
  -1   -3

Tags

CCSS.HSN.VM.C.8

State the determinant. 

• A
• B
• C
• D

Find the inverse.

• A
• B
• C
• D

Given matrix M, find M².

• [49 4]

  [0 9]

• [49 8]

  [20 9]

• [14 20]

  [-3 -9]

• [49 8]

  [ 0 9]