Use the Given Row Transformation to Change the Matrix as Indicated

question 369

Multiple Choice

Use the given row transformation to change the matrix as indicated.
- $\left[ \begin{array} { r r r } 3 & 5 & 12 \\ 1 & 3 & 2 \\ 2 & - 3 & 3 \end{array} \right] ; - 2$ times row 2 added to row 3

• A)
• \(\left[ \begin{array} { r r r } 3 & 5 & 12 \\ 1 & 3 & 2 \\ 0 & - 6 & 1 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r r } 3 & 5 & 12 \\ 1 & 3 & 2 \\ 0 & - 9 & - 1 \end{array} \right]\)
• C)
• \(\left[\begin{array}{rrr}
• 3 & 5 & 12 \\
• 1 & 3 & 2 \\
• 4 & 3 & 7
• \end{array}\right]\)
• D)
• \[\left[ \begin{array} { r r r }
• 1 & - 1 & 8 \\
• 1 & 3 & 2 \\
• 2 & - 3 & 3
• \end{array} \right]\]

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