Question

Which functions have a positive rate of change and which have a negative rate of change?
Column A Column B
1.
2x + 3y = −9
2.
y = 3x − 6
3.
x y
−1 9
0 7
1 5

4.
x y
2 −8
3 −7
4 −6

A.
positive
B.
negative