Grade 8 | Unit 3: Linear Relationships | End-of-Unit Assessment (A)

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8.EE.B

• The high temperature in Lubbock increased as time passed.

• The high temperature in Memphis decreased steadily.

• Initially, the high temperature was warmer in Phoenix than in Memphis.

• The high temperature in Phoenix rose faster than the temperature in New Orleans.

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8.EE.B

Jada earns twice as much money per hour as Diego. Diego earns twice as much money per hour as Lin. Select all the graphs that could represent how much Jada, Diego, and Lin earn for different amounts of time worked.

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• graph with no grid. Horizontal axis money earned in dollars. Vertical axis time worked in hours. 3 lines starting at origin. Lin, Diego, and Jada.

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8.EE.B.5

Write an equation for each line.

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8.EE.B

Three runners are training for a marathon. One day, they all run about ten miles, each at their own constant speed. Which of the three runners has the fastest pace? Explain how you know.

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8.EE.B.5

It costs $0.50 to download an individual song and $4 to download an album. Jada has $15 to spend downloading music. Complete the table showing three ways Jada can spend $15 downloading individual songs and albums.

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8.EE.B

Han's cell phone plan costs $200 to start. Then there is a $50 charge each month. What is the total cost (start up fee and monthly charge) to use the cell phone plan for 1 month?

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8.EE.B.6

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8.EE.B.6

Han's cell phone plan costs $200 to start. Then there is a $50 charge each month. Graph the cost of the cell phone plan over a period of two years, using months as the units of time. Be sure to label your axes and scale them by labeling each gridline with a number.

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8.EE.B.6

Han's cell phone plan costs $200 to start. Then there is a $50 charge each month. Is there a proportional relationship between time and the cost of the cell phone plan? Explain how you know.

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8.EE.B.6