EM-709

Adding and subtracting matrices

E Math · Secondary 3 · Hard · Adding and subtracting matrices

Let

A = \begin{pmatrix}1 & -3\\4 & 2\end{pmatrix}

and

B = \begin{pmatrix}5 & 7\\-1 & 0\end{pmatrix}

. Find

A + B

.

$\begin{pmatrix}6 & 4\\3 & 2\end{pmatrix}$
$\begin{pmatrix}6 & 10\\3 & 2\end{pmatrix}$
$\begin{pmatrix}4 & 4\\3 & 2\end{pmatrix}$
$\begin{pmatrix}6 & -10\\3 & 2\end{pmatrix}$

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