Constant Rate of Change

What is the constant rate of change between the quantities in the table?

• $1 per hour

• $40 per hour

• $5 per hour

• $10 per hour

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

What is the rate of change for the following graph?

• 80

• 20

• 40

• 160

Is this graph proportional?

• Yes

• No

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Does this table show a proportional relationship?

• Yes

• No

40 CALORIES PER MIN.

15 CALORIES PER MIN.

4 CALORIES PER MIN.

60 CALORIES PER MIN.

• 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