Question

Find the product (matrices)
5,5 -4,9
-2,3 8,7

Answer choices

A- 20,80
32,3

B- 20,80
3,32

C- -20,40
45,35

D- 8,24
-18,21

Answer 1

It's hard to decipher your notation without more context. Are you asked to compute the product
\[\begin{bmatrix}5&-4\\-2&8\end{bmatrix}\begin{bmatrix}5&9\\3&7\end{bmatrix}~?\]