Question

Use the graph below for this question: graph of parabola going through negative 5, 1 and negative 4, negative 4. What is the average rate of change from x = −5 to x = −4?

Answer 1

Use the slope formula:
(y2 - y1)/(x2 - x1)
(x1, y1) = (-5, 1)
(x2, y2) = (-4, -4)