Use Matrices to Solve the System of Equations (If Possible)

question 56

Multiple Choice

Use matrices to solve the system of equations (if possible) . Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.

• A)x = -4, y = -2, z = 5
• B)x = -2, y = 4, z = -5
• C)no solution
• D)x = -4, y = 2, z = 5
• E)x = 4, y = 2, z = 5