Respuesta :

bekkarmahdi702

Answer:

-4/3

Step-by-step explanation:

  • since the both lines are perpendicular the  product of their slopes equals -1
  • let m be the slope of the red line
  • m*a = -1
  • m = -1/a
  • a = (8-5)/(0-(-4)) = 3/4
  • so m = -4/3