Answer:
y = ⅘x - 41/5
Step-by-step explanation:
slope of the line from the origin = -5/4
slope of any perpendicular to the line = ⅘
equation of the line from the origin:
y = -(5/4)x
perpendicular to the line that passes through (4,-5):
y+5 = ⅘(x-4)
y = ⅘x - 41/5