Find the indicated matrix.
-Let $B = \left[ \begin{array} { l l l l } - 1 & 6 & 4 & - 3 \end{array} \right]$. Find -2B.
A) $\left[ \begin{array} { l l l l } - 2 & 12 & 8 & - 6 \end{array} \right]$
B) $\left[ \begin{array} { l l l l } 2 & 6 & 4 & - 3 \end{array} \right]$
C) $\left[ \begin{array} { l l l l } - 3 & 4 & 2 & - 5 \end{array} \right]$
D) $\left[ \begin{array} { l l l l } 2 & - 12 & - 8 & 6 \end{array} \right]$

Question

Quizplus · Accepted Answer

To find -2B, each element of matrix B is multiplied by -2, resulting in the matrix $\left[ \begin{array} { l l l l } 2 & -12 & -8 & 6 \end{array} \right]$.

Find the Indicated Matrix B=[−164−3]B = \left[ \begin{array} { l l l l } - 1 & 6 & 4 & - 3 \end{array} \right]B=[−1​6​4​−3​]

Find the Indicated Matrix $B = \left[ \begin{array} { l l l l } - 1 & 6 & 4 & - 3 \end{array} \right]$