Answer:
0
Step-by-step explanation:[tex]\frac{0}{6}[/tex]
[tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex] Remember this??
Just replace the points with it.
[tex]\frac{-4-(-4)}{8-2}[/tex] and now SOLVE!
You should get [tex]\frac{0}{6}[/tex]
Which equals 0.. So there ya go!
Stay Safe! Stay at Home!! =)