Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 10

The graph shows the distance of a car from home as a function of time. Describe what a person watching the car may be seeing.

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8.F.4

8.F.5

The equation and the graph represent two functions. Use the equation y=4 and the graph to answer the questions. When x is 4, is the output of the equation or the graph greater?

• The Equation Output is greater
• The Graph Output is greater

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8.F.4

8.F.5

The equation and the graph represent two functions. Use the equation y=4 and the graph to answer the questions. What value for x produces the same output in both the graph and the equation?

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8.F.4

8.F.5

This graph shows a trip on a bike trail. The trail has markers every 0.5 km showing the distance from the beginning of the trail.When was the bike rider going the fastest?

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8.F.4

8.F.5

This graph shows a trip on a bike trail. The trail has markers every 0.5 km showing the distance from the beginning of the trail.When was the bike rider going the slowest?

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8.F.4

8.F.5

This graph shows a trip on a bike trail. The trail has markers every 0.5 km showing the distance from the beginning of the trail.During what times was the rider going away from the beginning of the trail?

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8.F.4

8.F.5

This graph shows a trip on a bike trail. The trail has markers every 0.5 km showing the distance from the beginning of the trail.During what times was the rider going back towards the beginning of the trail?

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8.F.4

8.F.5

This graph shows a trip on a bike trail. The trail has markers every 0.5 km showing the distance from the beginning of the trail.During what times did the rider stop?

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8.F.4

8.F.5

The expression -25t+1250 represents the volume of liquid of a container after t seconds. The expression 50t+250 represents the volume of liquid of another container after t seconds. What does the equation -25t+1250=50t+250 mean in this situation?

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8.F.4

8.F.5