Question

what is the slope equation for the two points (1/2,4/5) and (3/2,1/5)

Answer 1

(1/2,4/5), (3/2,1/5).

m=(1/5-4/5) / (3/2-1/2)=(-3/5)/1=-3/5.
Y = mx + b = 4/5
(-3/5)*(1/2) + b = 4/5
-3/10 + b = 4/5
b = 4/5 + 3/10 = 8/10 + 3/10 = 11/10.
Y = (-3/5)x + 11/10.