Given the following matrices, what is the correct product matrix CD?

asked Jan 6, 2023 227k views

3 votes

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5 votes

Solution

$\begin{gathered} [(5*2)+(9*4)+(7*1)\text{ }(5*-4)+(9*0)+(7*7)] \\ \\ =[10+36+7\text{ }-20+0+49] \\ \\ =[53\text{ }29] \end{gathered}$

The correct option is A.

Mcanti answered Jan 10, 2023

3.4k points

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