Skye

Mathematics

2 October, 17:39

These tables represent a quadratic function with a vertex at

(0,-1). What is the average rate of change for the interval

from x = 9 to x = 10?

y

Interval

0

1

2

3

4.

5

1-2

2

-5

-10

-17

-26

-37

Average rate

of change

-1

1]-2

-3

-5

11-2

-7

11-2

11-2

-11

O to 1

1 to 2

2 to 3

3 to 4

4 to 5

5 to 6

6

10