Interpreting the Unit Rate as the Slope of the Graph

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

• $150 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.

• -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 constant of proportionality for this table?

• 1/9

• 9

• 8

• 1/8

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

REVIEW QUESTION
Which best describes the graph represented in this table?

•  proportional
• non-proportional

Write an equation for this relationship.

• y=1/5x
• y=1/2x
• y=2x
• y=5x

Which line shows a proportional relationship between x and y?

• Line L
• Line M

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour