Matrices

• 2x3

• 3x2

• 3x4

• 4x3

Tags

CCSS.HSN.VM.C.6

What is a₂₃

• 14

• 4

• 1

• 3

Tags

CCSS.HSA.REI.C.8

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

• AB

• BA

• BC

• BD

Tags

CCSS.HSN.VM.C.8

CCSS.HSN.VM.C.9

Subtract

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

Tags

CCSS.HSN.VM.B.4

CCSS.HSN.VM.C.10

CCSS.HSN.VM.C.8

Find A-B

• -3     1
  7     -1
• 1     0
  1     -4
• -4       0
  6     -1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8

Multiply

• 25
  25
  5
• -25
  25
  -5
• -10
  -10
  -6
• 10
  10
  6

Tags

CCSS.HSA.APR.A.1

What do m, n, p and q equal in this scalar matrix multiplication?

• m=8, n=9, p=-4, q=4 
• m=15, n = -45, p=20, q=-5
• m=20, n=-5, p=15, q=-45
• m=-5, n=20, p=-45, q=15

Tags

CCSS.HSN.VM.C.6

CCSS.HSN.VM.C.7

CCSS.HSN.VM.C.8

Calculate the determinant.

• 0

• -15

• -70

• 10

Find the determinant of the matrix .

• A

• B

• C

• D

Determine if the matrix has an inverse, if so find it.

• No

• 0 1

  -1 2

• -1 3

  1 -2

• Does not have an inverse