Determine Whether the Matrix Is in Row-Echelon Form$$\left[ \begin{array} { r r r r }
1 & 9 & - 9 & - 6 \
0 & 1 & 0 & - 2 \
0 & 0 & 1 & 1
\end{array} \right]$$

Question

Determine Whether the Matrix Is in Row-Echelon Form$$\left[ \begin{array} { r r r r } 
1 & 9 & - 9 & - 6 \
0 & 1 & 0 & - 2 \
0 & 0 & 1 & 1
\end{array} \right]$$

Examlex · Accepted Answer

The Answer of Determine Whether the Matrix Is in Row-Echelon Form$$\left[ \begin{array} { r r r r } 
1 & 9 & - 9 & - 6 \
0 & 1 & 0 & - 2 \
0 & 0 & 1 & 1
\end{array} \right]$$

Determine Whether the Matrix Is in Row-Echelon Form $\left[ \begin{array} { r r r r } 1 & 9 & - 9 & - 6 \\0 & 1 & 0 & - 2 \\0 & 0 & 1 & 1\end{array} \right]$

Definitions:

Determine Whether the Matrix Is in Row-Echelon Form [19−9−6010−20011]\left[ \begin{array} { r r r r } 1 & 9 & - 9 & - 6 \\0 & 1 & 0 & - 2 \\0 & 0 & 1 & 1\end{array} \right]​100​910​−901​−6−21​​

Definitions:

Determine Whether the Matrix Is in Row-Echelon Form $\left[ \begin{array} { r r r r } 1 & 9 & - 9 & - 6 \\0 & 1 & 0 & - 2 \\0 & 0 & 1 & 1\end{array} \right]$