Determine Whether the Following Matrix Is in Row-Echelon Form $$\left[ \begin{array} { l l l l } 1 & 0 & 1 & 0 \\0 & 1 & 0 & 3 \\0 & 0 & 1 & 0\end{array} \right]$$

question 79

Multiple Choice

Determine whether the following matrix is in row-echelon form.If it is, determine if it is also in reduced row-echelon form.
$$\left[ \begin{array} { l l l l } 1 & 0 & 1 & 0 \\0 & 1 & 0 & 3 \\0 & 0 & 1 & 0\end{array} \right]$$

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