Respuesta :

take any 2 points
x=0 y=1
x=-5 y=-1
slope=y2-y1/x2-x1
Slope=-1-1/-5-0
slope=-2/-5
slope=2/5
Y=mX+b
b=1
5m+b=3
5m+1=3
5m=2
m=2/5
So your equation is Y=2/5X+1
lovely~