Write the System of Linear Equations Represented by the Augmented

question 1

Multiple Choice

Write the system of linear equations represented by the augmented matrix.Then use back-substitution to solve.(Use variables x, y, and z.)

• A) x = -8, y = 1, z = -1
• B) x = -2, y = -4, z = -5
• C) x = -4, y = 2, z = 5
• D) x = -4, y = -2, z = -5
• E) x = 2, y = -5, z = 4

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