Use the formula m= y2-y1/x2-x1 to calculate the slope of the line.

Answer:
[tex]m=2[/tex]
General Formulas and Concepts:
Pre-Algebra
Algebra I
Step-by-step explanation:
Step 1: Define
Find points from graph.
Point (2, 8)
Point (-6, -8)
Step 2: Find slope m