Determine whether the matrix is in row-echelon form. If it is, determine if it is also in reduced row-echelon form.

Question

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The matrix appears to be in row-echelon form with each row having its leading entry to the right of the leading entry of the previous row. However, it is not in reduced row-echelon form since not all leading entries are 1 and there are non-zero entries below the leading entries.

Determine Whether the Matrix Is in Row-Echelon Form