ADDING/SUBTRACTING MATRICES

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

What values of x and y make the equation true?

• x = 5

  y = -2

• x = 3

  y = -5

• x = 9

  y = 10

• x = 16

  y = -5

What is the value of the variable in the equation?

• 
• 
• 
• 

What values of x and y make the equation true?

• x = 0

  y = 3

• x = 2

  y = 2

• x = 4

  y = 3

• x = 7

  y = 4

What number is located at D_2,1?

• 6

• -4

• 2

What number is located at A_2,2?

• -1

• 2

• 5

• -3

What are the dimensions of matrix D?

• 1 x 3

• 3 x 1

What are the dimensions of matrix F?

• 1 x 3

• 3 x 1

Add

• 11    8
  -4     2
• 3     2
  -6    -6
• -3    2
  -4    -6
• 10    8
  -6    2

Subtract

• 3    -8
  0   -1
• 3   -4
  8  -13
• -3   8
  0    1
• 3   -8
  -8    1