Fill in the blank(s)using elementary row operations to form a row-equivalent matrix. $$\left[ \begin{array} { c c c }
6 & 9 & 4 \
5 & - 4 & 7
\end{array} \right]$$ $$\left[ \begin{array} { c c c }
2 & \cdots & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
A) $$\left[ \begin{array} { c c c }
2 & 9 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
B) $$\left[ \begin{array} { c c c }
2 & 2 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
C) $$\left[ \begin{array} { l l l }
2 & - 3 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
D) $$\left[ \begin{array} { c c c }
2 & 5 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
E) $$\left[ \begin{array} { c c c }
2 & 3 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$

Question

Fill in the blank(s)using elementary row operations to form a row-equivalent matrix. ​​ $$\left[ \begin{array} { c c c } 
6 & 9 & 4 \
5 & - 4 & 7
\end{array} \right]$$ ​ $$\left[ \begin{array} { c c c } 
2 & \cdots & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$ ​
A)​ $$\left[ \begin{array} { c c c } 
2 & 9 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
B)​ $$\left[ \begin{array} { c c c } 
2 & 2 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
C)​ $$\left[ \begin{array} { l l l } 
2 & - 3 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
D)​ $$\left[ \begin{array} { c c c } 
2 & 5 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$
E)​ $$\left[ \begin{array} { c c c } 
2 & 3 & \frac { 4 } { 3 } \
5 & - 4 & 7
\end{array} \right]$$

Quizplus · Accepted Answer

The Answer is E

Fill in the Blank(s)using Elementary Row Operations to Form a Row-Equivalent