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COORDINATE GRAPHS  #2--RUBRIC

Directions:  Mia and Jason wanted to earn some extra spending money for the holiday season.  They both decided to get jobs at different department stores.  The two graphs below show how much time each person worked and how much money they earned.  Answer the questions below to complete this performance task.

										

1)	 Identify the point on Mia’s graph which shows that she earns $6.75 in 0.75 hours. (1 point)           (3, 36)   		

2)	How much money will Jason earn if he works four-tenths of an hour?  (1 point)    		                $4.00      	

3)	Explain what the point (0.5, 5.00) means in the context of Jason’s graph?  (2 points)

If Jason works 0.5 hours, he will earn $5.00.

4)	 Explain what the point (0.25, 2.25) means in the context of Mia’s graph?  (2 points)

If Mia works 0.25 hours, she will earn $2.25.

5)	 Who earns more money per hour, Mia or Jason? Explain how you know. (2 points)

Jason will earn more per hour because his graph shows that he earns $5 every half hour, which is $10 per hour.  According to Mia’s graph, she only earns $9 per hour.

6)	 How much money will each person earn if they work an 8.5 hour day?  Explain how you know.  (2 points)

Mia will earn $76.50 for an 8.5 hour day.  Jason will earn $85 for an 8.5 hour day.  Explanations will vary. 

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