Answer:
y = 5/4 x
Explanation:
We already know the slope, so now we need to find the y-intercept. To do that, you need to simply plug the coordinates into the equation which is
y = 5/4 x + b
-5 = 5/4 (-4) + b
-5 = -5 + b
0 = b
y = 5/4 x + 0 or simply just y = 5/4 x.