Systems of Matrices

In Matrix R (pictured) what element is a₂₃?

• 8

• 9.01

• 6

• 1

In Matrix R (pictured) what element is in the second row, third column?

• 8

• 9.01

• 6

• 1

Find the product of the two matrices.

• undefined

• -3   16
  17   12
  8   -10

• 3   12 
  -15  -8
  -1   -3

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

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 is the value of the variable in the equation?

• 
• 
• 
• 

Solve the system of equations

• (3,7,0)

• (7,4,5)

• (2,3,6)

• No Solution

Solve the system of equations.

• (-3,5-8)

• (-5,8,-7)

• (2,3,7)

• Infinite Solutions

Find the determinant of the following matrix.

• 129

• -129

• 81

• -81

Find the determinant of the following matrix.

• 71

• -71

• 83

• -83