Exploring Slope and Rate of Change in Real Life

How many gallons did the pool have before it started to drain?

• 200 gallons

• 175 gallons

• 150 gallons

• 100 gallons

How long did it take to drain the pool completely?

• 7 hours

• 8 hours

• 5 hours

• 6 hours

What is the slope of the pool draining graph?

• -10

• -15

• -20

• -25

What does the slope of -25 mean in the context of the pool draining?

• The pool loses 25 gallons every 2 hours

• The pool loses 25 gallons every hour

• The pool gains 25 gallons every 2 hours

• The pool gains 25 gallons every hour

What is the slope of the flag raising graph?

• 3/2

• 2/3

• 1/2

• 2/1

What does the slope of 3/2 mean in the context of raising the flag?

• The flag raises 3 feet every 2 seconds

• The flag raises 2 feet every 1 second

• The flag raises 2 feet every 3 seconds

• The flag raises 1 foot every 2 seconds

How much money did you start with in your savings account?

• $50

• $75

• $100

• $125

What is the slope of the savings graph?

• 100

• 75

• 50

• 25

How many years will it take Tim to save $70,000?

• 10 years

• 7 years

• 5 years

• 12 years

What does the slope of 7 mean in the context of Tim's savings?

• Tim saves $70 every year

• Tim saves $7 every year

• Tim saves $700 every year

• Tim saves $7,000 every year