Respuesta :

Answer:

Step-by-step explanation:

As x increases four units from -4 to 0, y decreases four units from 0 to -4

slope m = Δy/Δx = -4/4 = -1

The y intercept is at (0, -4) so b = -4

y = -1x + -4

y = - x - 4

as m is negative, slope is negative