STAAR Review Concepts #2

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

What is the unit rate in this proportional relationship?

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

True or False: "Slope" is just another word for rate of change. We tend to use this word when graphing the relationship between two quantities.

• True

• False

Find the rate of change

What is the slope?

• 1/2
• 2
• 7
• 3

What is the y-intercept of the graph?

• 80 'F

• 80 hours

• (0,0)

• 10 hours

What is the slope of this graph?

• m = 4/5

• m = 5/4

• m = 6/5

• m = 5/6

Is this mapping a function or not a function? 

• Function
• Not a Function