8th grade rate of change and slop

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $100 is earned for every 2 hours worked
• $500 is earned for every 8 hours worked
• $200 is earned for every 3 hours worked

What is the rate of change for the following:
(4,5) (2, 15) 

• -1/5
• 1/5
• -5
• 5

Find the rate of change

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

Find the rate of change.

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Calculate the rate of change.

• 6
• 1/6
• -6
• -1/6

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

• $1.00 per pound
• $3.60 per pound
• $1.20 per pound
• $1.10 per pound

Which of the following are ways to find the rate of change?

• change in y over change in x
• rise over run
• subtract y coordinates over subtract x coordinates
• all of the above

Find the rate of change between the points (-2 , 10) & (4 , 14)

• 2/3

• 3/2

• -2/3

• 2/1