ANSWER:
[tex]m=\frac{4-8}{2-1}[/tex]
[tex]\frac{-4}{1}[/tex]
STEP-BY-STEP EXPLANATION:
We are asked to calculate the slope of the line, we know that the slope is calculated using the following formula:
[tex]m=\frac{y_2-y_1}{x_2-x_1}_{}_{}[/tex]
We replace the points, and get the slope, just like this:
[tex]\begin{gathered} m=\frac{4-8}{2-1} \\ m=\frac{-4}{1} \end{gathered}[/tex]
