Write the matrix in reduced row-echelon form. $$\left[ \begin{array} { r r r r }
5 & - 7 & - 3 & 6 \
- 6 & - 6 & 2 & - 44 \
2 & - 4 & - 2 & - 4
\end{array} \right]$$
A) $\left[ \begin{array} { l l l l }
1 & 0 & 0 & 6 \
0 & 1 & 0 & 3 \
0 & 0 & 1 & 5
\end{array} \right]$
B) $\left[ \begin{array} { l l l l }
1 & 0 & 0 & 1 \
0 & 1 & 0 & 1 \
0 & 0 & 1 & 1
\end{array} \right]$
C) $\left[ \begin{array} { l l l l }
1 & 0 & 0 & 7 \
0 & 1 & 0 & 2 \
0 & 0 & 1 & 5
\end{array} \right]$
D) $\left[ \begin{array} { l l l l }
1 & 0 & 0 & 0 \
0 & 1 & 0 & 0 \
0 & 0 & 1 & 0
\end{array} \right]$
E) $\left[ \begin{array} { l l l l }
1 & 0 & 0 & 7 \
0 & 1 & 0 & 5 \
0 & 0 & 1 & 2
\end{array} \right]$

Question

Write the matrix in reduced row-echelon form. $$\left[ \begin{array} { r r r r } 
5 & - 7 & - 3 & 6 \
- 6 & - 6 & 2 & - 44 \
2 & - 4 & - 2 & - 4
\end{array} \right]$$
A) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 6 \
0 & 1 & 0 & 3 \
0 & 0 & 1 & 5
\end{array} \right]$
B) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 1 \
0 & 1 & 0 & 1 \
0 & 0 & 1 & 1
\end{array} \right]$  
C) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 7 \
0 & 1 & 0 & 2 \
0 & 0 & 1 & 5
\end{array} \right]$  
D) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 0 \
0 & 1 & 0 & 0 \
0 & 0 & 1 & 0
\end{array} \right]$
E) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 7 \
0 & 1 & 0 & 5 \
0 & 0 & 1 & 2
\end{array} \right]$

Quizplus · Accepted Answer

The Answer of Write the matrix in reduced row-echelon form. $$\left[ \begin{array} { r r r r } 
5 & - 7 & - 3 & 6 \
- 6 & - 6 & 2 & - 44 \
2 & - 4 & - 2 & - 4
\end{array} \right]$$
A) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 6 \
0 & 1 & 0 & 3 \
0 & 0 & 1 & 5
\end{array} \right]$
B) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 1 \
0 & 1 & 0 & 1 \
0 & 0 & 1 & 1
\end{array} \right]$  
C) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 7 \
0 & 1 & 0 & 2 \
0 & 0 & 1 & 5
\end{array} \right]$  
D) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 0 \
0 & 1 & 0 & 0 \
0 & 0 & 1 & 0
\end{array} \right]$
E) $\left[ \begin{array} { l l l l } 
1 & 0 & 0 & 7 \
0 & 1 & 0 & 5 \
0 & 0 & 1 & 2
\end{array} \right]$

Write the Matrix in Reduced Row-Echelon Form [5−7−36−6−62−442−4−2−4]\left[ \begin{array} { r r r r } 5 & - 7 & - 3 & 6 \\- 6 & - 6 & 2 & - 44 \\2 & - 4 & - 2 & - 4\end{array} \right]​5−62​−7−6−4​−32−2​6−44−4​​

Write the Matrix in Reduced Row-Echelon Form $\left[ \begin{array} { r r r r } 5 & - 7 & - 3 & 6 \\- 6 & - 6 & 2 & - 44 \\2 & - 4 & - 2 & - 4\end{array} \right]$