Perform the Indicated Elementary Row Operations A) $\left[\begin{array}{rrr}3 & -8 & -9 \\-7 & 5 & -6 \\1 & 9 & 0\end{array}\right]$

question 178

Multiple Choice

Perform the indicated elementary row operations.
- $\begin{array} { l } \mathrm { R } _ { 3 } + \mathrm { R } _ { 2 } \\{ \left[ \begin{array} { r r r } 3 & - 8 & - 9 \\- 7 & 5 & - 6 \\8 & 4 & 6\end{array} \right] }\end{array}$

• A)\(\left[\begin{array}{rrr}
• 3 & -8 & -9 \\
• -7 & 5 & -6 \\
• 1 & 9 & 0
• \end{array}\right]\)
• B)\(\left[\begin{array}{rrr}
• 3 & -8 & -9 \\
• 8 & 4 & 6 \\
• -7 & 5 & -6
• \end{array}\right]\)
• C)\(\left[\begin{array}{rrr}
• 3 & -17 & -9 \\
• -7 & -1 & -6 \\
• 8 & 12 & 6
• \end{array}\right]\)
• D)\(\left[\begin{array}{rrr}
• 3 & -8 & -9 \\
• 1 & 9 & 0 \\
• 8 & 4 & 6
• \end{array}\right]\)

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