Perform the indicated operation where possible.
-$\left[\begin{array}{rr}-1 & 5 \ 0 & 4 \ 8 & -4\end{array}\right]-\left[\begin{array}{ll}2 & 1 \ 7 & 4 \ 3 & 2\end{array}\right]$
A)$\left[\begin{array}{rr}1 & 6 \ 7 & 8 \ 11 & -2\end{array}\right]$
B)$\left[\begin{array}{cc}1 & 4 \ 7 & 0 \ 5 & -2\end{array}\right]$
C)$\left[\begin{array}{rr}-3 & 4 \ -7 & 0 \ 5 & -6\end{array}\right]$
D)$\left[\begin{array}{rr}3 & -4 \ 7 & 0 \ -5 & 6\end{array}\right]$

Question

Quizplus · Accepted Answer

Subtract corresponding elements of the matrices: $[-1-2, 5-1; 0-7, 4-4; 8-3, -4-2]$ results in $[-3, 4; -7, 0; 5, -6]$.

Perform the Indicated Operation Where Possible [−15048−4]−[217432]\left[\begin{array}{rr}-1 & 5 \\ 0 & 4 \\ 8 & -4\end{array}\right]-\left[\begin{array}{ll}2 & 1 \\ 7 & 4 \\ 3 & 2\end{array}\right]​−108​54−4​​−​273​142​​

Perform the Indicated Operation Where Possible $\left[\begin{array}{rr}-1 & 5 \\ 0 & 4 \\ 8 & -4\end{array}\right]-\left[\begin{array}{ll}2 & 1 \\ 7 & 4 \\ 3 & 2\end{array}\right]$