Answer: Here you go!
Explanation:
To properly graph an equation, replace the 'x' variable with any number, than solve to find the 'y' variable :) graphing points below
Point #1: (4, 5)
y= 1.25x
y= 1.25(4)
y= 5
Point #2: (8, 10)
y= 1.25x
y= 1.25(8)
y= 10
lmk if this is useful