Team Poster Project Rate of Change – Problem # ______________

Group Members

1. ________________________________

2. ________________________________

3. ________________________________

Team Member 1:

Pick up a piece of 12 x 18 construction paper and graph paper for your poster Draw the Graph

Team Member 2:

Check the graph to be sure it is correct Determine the rate of change and write it below the graph

Identify the y-intercept and explain its significance

Team Member 3:

Check the rate of change – make sure it is correct Check the y-intercept information – make sure it is correct

Identify the x-intercept and explain its significance

Team Member 1: Check the x-intercept information – make sure it is correct

Post your team’s poster on the wall

Graph

Rate of Change: _________________________

Y-Intercept

X - Intercept

TEAM POSTER PROJECT – Rate of Change

Sketch a graph of the problem. What is the rate of change in each of these problem

situations? Identify the intercepts and explain what they mean in each specific context. Use the units given. Be prepared to present your work to the class.

1. A mountain climber is on a hike. After 2 hours he is at an altitude of 400 feet.

After 6 hours, he is at an altitude of 800 feet. What is the average rate of

change?

2. A scuba diver is 30 feet below the surface of the water 10 seconds after he

entered the water and 90 feet below the surface after 40 seconds. What is the scuba diver’s rate of change?

3. A rocket is 1 mile above the earth in 30 seconds and 5 miles above the earth in 2.5 minutes. What is the rockets rate of change in miles per second? What about

miles per minute.

4. A football player weighed 195 lbs in 2001 and weighs 250 lbs in 2012. What was

the rate of change in weight?

5. Over the last 50 years, the average temperature has increased by 2.5 degrees

worldwide (fictional data). What is the rate of change in worldwide temperatures per year?

6. Nicole started a savings account with $300. After 4 weeks, she had $350 dollars, and after 9 weeks, she had $400. What is the rate of change of money in her

savings account per week?

7. After 30 baseball games, A-Rod had 25 hits. If after 100 games he had 80 hits, what would his average hits per game be?

8. At the end of 1999, Candace had 47 CDs in her music collection. At the end of 2002, she had 134 CDs. Find the rate of change in the number of CDs in

Candace’s collection between 1999 and 2002.

9. A daily newspaper had 12,125 subscribers when it began publication. Five years

later it had 10,100 subscribers. What is the average yearly rate of change in the number of subscribers for the five-year period?