Perform the indicated operation, where possible.
-$
\left[\begin{array}{lll}
2 & 4
\end{array}\right]+\left[\begin{array}{c}
-4 \
9
\end{array}\right]
$
A) $ \left[\begin{array}{ll}-2 & 13\end{array}\right] $
B) $ \left[\begin{array}{c}-2 \ 13\end{array}\right] $
C) $ \left[\begin{array}{rr}2 & -4 \ 4 & 9\end{array}\right] $
D) Not possible

Question

Quizplus · Accepted Answer

Matrix addition is only defined for matrices of the same dimensions. The given matrices have different dimensions, making the operation undefined.

Perform the Indicated Operation, Where Possible [24]+[−49]\left[\begin{array}{lll}2 & 4\end{array}\right]+\left[\begin{array}{c}-4 \\9\end{array}\right][2​4​]+[−49​] A) [−213] \left[\begin{array}{ll}-2 & 13\end{array}\right] [−2​13​]

Perform the Indicated Operation, Where Possible $\left[\begin{array}{lll}2 & 4\end{array}\right]+\left[\begin{array}{c}-4 \\9\end{array}\right]$ A) $\left[\begin{array}{ll}-2 & 13\end{array}\right]$