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

question 40

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

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Definitions:

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