Perform the Matrix Operation $B = \left[ \begin{array} { l l l l } - 1 & 1 & 7 & - 3 \end{array} \right]$

question 12

Multiple Choice

Perform the matrix operation.
-Let $B = \left[ \begin{array} { l l l l } - 1 & 1 & 7 & - 3 \end{array} \right]$ . Find $- 4 B$ .

• A) \(\left[ \begin{array} { l l l l } - 4 & 4 & 28 & - 12 \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l l } 4 & 1 & 7 & - 3 \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l l } - 3 & - 1 & 5 & - 5 \end{array} \right]\)
• D) \(\left[ \begin{array} { l l l l } 4 & - 4 & - 28 & 12 \end{array} \right]\)

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