Determine Whether the Matrix Is in Echelon Form, Reduced Echelon $$\left[ \begin{array} { r r r r } 1 & 4 & 5 & - 7 \\0 & 1 & - 4 & - 6 \\0 & 2 & 1 & 6\end{array} \right]$$

question 11

Multiple Choice

Determine whether the matrix is in echelon form, reduced echelon form, or neither.
- $$\left[ \begin{array} { r r r r } 1 & 4 & 5 & - 7 \\0 & 1 & - 4 & - 6 \\0 & 2 & 1 & 6\end{array} \right]$$

• A)Echelon form
• B)Reduced echelon form
• C)Neither

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