Answer:
The slope is -2
Step-by-step explanation:
(1,2)&(2,-4)
m=y²-y¹/x²-x¹
m=(-4)-2/2-(-1)
m=-6/3
m=-2
2
I used the rise over run tactic!
(0.5,0.5)
use the midpoint formula x1+x2/2 and y1+y2/2