1) Which of the following matrices are in reduced row echelon form? Circle all that apply....

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1) Which of the following matrices are in reduced row echelon form? Circle all that apply. [103] 009 a) 008 017 10900 1 0 0 0 1000 3 01000 b) 0 1 0 c) 0 0 1 0 2 d) 10400 01300 e) 0 0 0 10 00100 00-1 00 1 -1 00001 00010 0 00000 1) Which of the following matrices are in reduced row echelon form? Circle all that apply. [103] 009 a) 008 017 10900 1 0 0 0 1000 3 01000 b) 0 1 0 c) 0 0 1 0 2 d) 10400 01300 e) 0 0 0 10 00100 00-1 00 1 -1 00001 00010 0 00000