Use the Indicated Row Operation to Change the Matrix $R_{2}$

question 43

Multiple Choice

Use the indicated row operation to change the matrix.
-Replace $R_{2}$ by $R_{1}+R_{2}$ .
$\left[\begin{array}{rr|r}1 & 0 & 2 \\ -1 & 1 & 3\end{array}\right]$

• A) \( \left[\begin{array}{ll|l}1 & 0 & 2 \\ 0 & 0 & 5\end{array}\right] \)
• B) \( \left[\begin{array}{rr|r}1 & 0 & 2 \\ -1 & 1 & 3\end{array}\right] \)
• C) \( \left[\begin{array}{rr|r}0 & 1 & 5 \\ -1 & 1 & 3\end{array}\right] \)
• D) \( \left[\begin{array}{ll|l}1 & 0 & 2 \\ 0 & 1 & 5\end{array}\right] \)

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