Question

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

Column A

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
Column B

A. positive

B. negative

Answer 1

I think
Rate of change =slope of ur line
Right?

Answer 2

yeah

Answer 3

How would you know, from looking at a function, whether it has a positive rate of change or a negative one?

I'd suggest you go through the whole list, examine the question and proceed from there to identify functions with positive rates of changes.

Answer 4

i have no clue what to do...

Answer 5

@mathmale is the 3rd one negative & the 4th one positive?

Answer 6

@AlexandervonHumboldt2

Answer 7

@pooja195

Answer 8

Why this is a close question !

Answer 9

nobody was helping me so i was gonna give up