Respuesta :

y-intercept: 0

Slope: y2-y1/x2-x1 = 8-4/-2-(-1) = 4/-1 = -4

Equation: y = -4x + 0 which is y = -4x

y-intercept is : y=0

and the slope :

m=(-2-0)/(8-0)= - 2/8 = -1/4

hope this will help you ❤️