Question

Calculate the product matrix for the following matrix multiplication.

Answer 1

D

Explanation:

43, 6

-70, -33

Answer 2

`\large\boxed{\left[\begin{array}{ccc}43&6\\-70&-33\end{array}\right] }`

Explanation:

`\left[\begin{array}{ccc}8&3\\-7&2\end{array}\right] \cdot\left[\begin{array}{ccc}8&3\\-7&-6\end{array}\right] \\\\=\left[\begin{array}{ccc}(8)(8)+(3)(-7)&(8)(3)+(3)(-6)\\(-7)(8)+(2)(-7)&(-7)(3)+(2)(-6)\end{array}\right] \\\\=\left[\begin{array}{ccc}43&6\\-70&-33\end{array}\right]`