Adding, Subtracting and Multiplying Matrices

What is the value of the variable in the equation?

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Tags

CCSS.HSA.REI.C.9

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

Find the product.

• undefined

• -3   16
  17   12
  8   -10

• 3   12 
  -15  -8
  -1   -3

Tags

CCSS.HSN.VM.C.8

Find A+B

• 8     10
  8      1 

• 12     25
  7     1

• 10     30
  0     1

• can't add two together because the rows dont match columns

Tags

CCSS.HSN.VM.C.8

In Matrix R (pictured) what is the value of element R_3,2

• 8

• 9.01

• 6

• 1

How many columns are in a 5 x 4 matrix?

• 5

• 4

• 20

• 9

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Tags

CCSS.HSN.VM.C.8

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Tags

CCSS.HSN.VM.C.8

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Tags

CCSS.HSN.VM.C.8