Let me see what I come up with.
Answer:
So.... you gave me the value of y in terms of x, twice...I am not sure what you want me to solve.
i took this exam and the answer is c.25,200
(0,4). (6, -4)
(-4-4)/(6-0)= -8/6= -4/3
y - 4 = (-4/3)(x -0)
y - 4 = (-4/3)x - 0
y = (-4/3)x + 4
the answer to the question is 2