Respuesta :

Answer:

y=-2x-1

Step-by-step explanation:

find the slope using the two points (0,-1) and (2,-5)

[tex]m=\frac{(-5+1)}{(2-0)}=-2[/tex]

then since we know the y-intercept is -1, you plug the data into y=mx+b getting the function y=-2x-1