Question: need help with questions 1 and 2 Section 2.2 1. Which of the following augmented matrices are in row reduced echelon form? 1 0 10

need help with questions 1 and 2

Section 2.2 1. Which of the following augmented matrices are in row reduced echelon form? 1 0 10 1 0 20 1 0 b. 0 10 0 0 LO 0 01-4 10 0 0 1 -4. "1 AREF 2. Use the Gauss-Jordan method (matrix) to solve the system of equations. x + 5y + 27 - -5 3x + 5y 1 4% =-13 -4x + 30y + z =16

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