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Decide If the Matrix Is in Row Echelon Form $\left[ \begin{array} { c c | c } - 7 & 0 & 7 \\0 & 0 & 0\end{array} \right]$

Question 15

Multiple Choice

Decide if the matrix is in row echelon form.
$\left[ \begin{array} { c c | c } - 7 & 0 & 7 \\0 & 0 & 0\end{array} \right]$

A) not in row echelon form
B) row echelon form

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