so first you need to find the slop between (1,3) and (4,5)
5-3/ 4-1 = 2/ 3= m
using that slope you put it into the slope intercept formula
y=mx+b
use the coordinate (2,-5)
-5= 2/3 (2)+b
-5= 1.33+b subtract 1.33 on both sides
-6.33=b
plug b and m into the slope intercept formula
ANSWER: y=2/3x-6.33
