Question

A: Which has a greater rate of change?

B: How can you tell?

A: (-7, -9), (-2, 1)

B: y = 3x - 9

Answer 1

B has a greater rate of change because, in the equation, the rate of change is 3. But, if you calculate the rate of change of the ordered pairs, you'll get 1.8. Thus, B has a greater rate of change