Perform the Matrix Operation $A = \left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]$

question 47

Multiple Choice

Perform the matrix operation.
-Given $A = \left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]$ and $I = \left[ \begin{array} { l l } 1 & 0 \\ 0 & 1 \end{array} \right]$ , find IA.

• A)
• \(\left[ \begin{array} { r r } 9 & 4 \\ 3 & - 7 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r } 0 & - 4 \\ 0 & 13 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 3 & - 7 \\ 9 & 4 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } - 7 & 9 \\ 4 & 3 \end{array} \right]\)

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