1. Rate of Change/Slope

2. rate of change - pg 413
The biggest drop of the Kingda Ka roller coaster is described in the table. Find the rate of change. Interpret the meaning.
time (s)
height (ft) x y
456 1
268 2 80

3. rate of change pg 413
The table shows the amount, y, remaining in Lauren’s savings account after x weeks. Find the rate of change. Interpret the meaning.
time (wk)
amount ($) x y 4
160 6
120

4. rate of change – 415
The table shows the relationship between time and altitude of two hot-air balloons. Compare the rates of change for the balloons from 3 to 5 seconds.
time (s)
balloon 1
balloon 2 3
22.7
30.4 4
30.9
36.0 5
39.1
41.6

5. Rate of change – pg 415 st
The table shows the altitude of a group of hikers during their hike. Find the rate of change.
time (min)
altitude (ft) x y 20
170 30
162 40
154

6. Rate of change – pg 415 st
The table shows the number of jumps in a minute. Find the rate of change.
time (min)
Number of jumps x y 1 20 2 30 3 40

7. Rate of change – pg 415 st
The table shows the cost of sending a video message. Find the rate of change.
Number of messages
Cost ($) x y 4
1.00 6
1.50 8
2.00

8. Rate of change pg 415 #5
Use the graph and find the rate of change. Tell me what the rate of change means.

9. Rate of change pg 415 #6
Use the graph and find the rate of change. Tell me what the rate of change means.

10. Rate of change pg 416 #11
Use the graph and find the rate of change. Tell me what the rate of change means.

11. Rate of change – pg 416 st #13
The table shows the number of times puppies should be fed at different ages. Find the three rates of changes represented in the table and describe what they mean.
Total Puppy Feedings
Days
< 6 months
6-12 months
> 12 months 1 3 2 6 4 9