Matrices 2 x 2 Applications

Which statement is TRUE regarding the matrices above?

• F is the row matrix and D is the column matrix.

• D is the row matrix and F is the column matrix.

• F and D are both column matrices.

• F and D are both row matrices.

• TRUE

• FALSE

Find 2A-3B

• -3 1

  7 -1

• 1 0

  1 -4

• -4 0

  6 -1

• -14 -5

  11 -3

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

• 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

Find 2B-5A

• 
• 
• 
• 

What is the result of multiplying the following 2x2 matrices? [3, 4] [5, 6] and [7, 8] [9, 10]

• [15, 16] [23, 26]

• [10, 12] [14, 16]

• [57, 64] [93, 104]

• [21, 24] [27, 30]

Multiply the following matrices

• 
• 
• 
• 

Find the determinant of the matrix

• -28

• -20

• 20

• 0