Question

Which functions have a positive rate of change and which have a negative rate of change?


Column A
Column B

1.

2x − 5y = −15
2.

y = −4x + 9
3.
x y
2 –10
4 –16
6 –22


4.
x y
–3 15
–2 11
–1 7


A.

positive
B.

negative