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Grade 8 HMH Go Math - Answer Keys
Chapter 4: Nonproportional Relationships; Lesson 1:Representing Linear Nonproportional Relationships
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Independent Practice
State whether the graph of each linear relationship is a solid line or a set of unconnected points. Explain your reasoning.
Question 7
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The relationship between the number of $4 lunches you buy with a $100 school lunch card and the money remaining on the card
Question 8
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The relationship between time and the distance remaining on a 3-mile walk for someone walking at a steady rate of 2 miles per hour.
Question 9
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Analyze Relationships
Simone paid $12 for an initial year’s subscription to a magazine. The renewal rate is $8 per year. This situation can be represented by the equation y = 8x + 12, where x represents the number of years the subscription is renewed and y represents the total cost.
a. Make a table of values for this situation.
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Question 9
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b. Draw a graph to represent the situation. Include a title and axis labels.
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Question 9
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c. Explain why this relationship is not proportional.
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Question 9
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d. Does it make sense to connect the points on the graph with a solid line? Explain.
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