Matrices Add and Subtract

Add

• 11    8
  -4     2

• 3     2
  -6    -6

• -3    2
  -4    -6

• 10    8
  -6    2

Subtract

• -5
  -8
  3
  10

• -9
  8
  3
  2

• 5
  -8
  3
  10

• -5
  8
  3
  2

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

• A

• B

• C

• D

What do w, x, y and z equal in this matrix subtraction?

• w = 13, x = 4, y = 7, z = 23

• w = 13, x = -4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 23

• w = 13, x = 4, y = 11, z = 17

Calculator Allowed

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Given these matrices find C - D

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• NA

Given these matrices find D - A

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• NA

What is the value of the variable in the equation?

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• a

• b

• c

• d