Step 1: Use 2 sets of numbers from the table to use in the formula.
I will use (-4,6) and (4,2).
Step 2: Plug in those numbers in the formula.
[tex]\frac{2 - 6}{4 - (-4)}\\\\\frac{-4}{8} = -\frac{1}{2}[/tex]
Slope = [tex]-\frac{1}{2}[/tex]