Rate of change

• 40 CALORIES PER MIN.
• 15 CALORIES PER MIN.
• 4 CALORIES PER MIN.
• 60 CALORIES PER MIN.

• 9 players per team
• 12 players per team
• 10 players per team
• 11 players per team

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

The table shows the cost of long distance calls as a function of the number of minutes used. Is there a constant rate of change? Explain and interpret its meaning.

• Yes, 10 calls per minute
• Yes, $.10 per minute
• Yes, $.40 per minute
• Not a constant rate

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

What is the constant of proportionality in this table?

• 3
• 6
• 1.5
• 0.3

What is the constant of proportionality based on the table?

• 45
• 90
• 135
• 2

Does this table show a proportional relationship?

• Yes 
• No

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

Find the slope:

• 2
• -2
• 1/2
• -1/2