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

question 29

Multiple Choice

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)​ \[\left[ \begin{array} { c c c }
• 2 & 3 & \frac { 4 } { 3 } \\
• 5 & - 4 & 7
• \end{array} \right]\]

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