Answer:
16) y = -x +1
17) y = -2.5x + 6.5
18) what is the question?
Explanation:
16) m = 5 - 1/-4 - 0 = 4/-4 = -1
y = -x + b plug in points
1 = -(0) + b
1 = b
-4 = -(5) + b
-4 + 5 = -5 + 5 + b
1 = b
17) y = -2.5 x + b plug in the point
1.5 = -2.5(2) + b
1.5 = -5 + b
1.5 + 5 = -5 + 5 + b
6.5 = b
18a) what is the question?