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Grade 8 HMH Go Math - Answer Keys
Chapter 3: Proportional Relationships; Lesson 1: Representing Proportional Relationships
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Question 13
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The graph shows the relationship between the distance that a snail crawls and the time that it crawls.a. Use the points on the graph to make a table.
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Question 13
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b. Write the equation for the relationship and tell what each variable represents.
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Question 13
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c. How long does it take the snail to crawl 85 inches?
H.O.T.
Focus on Higher Order Thinking
Question 14
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Communicate Mathematical Ideas
Explain why all of the graphs in this lesson show the first quadrant but omit the other three quadrants.
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Question 15
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Analyze Relationships
Complete the table.
a. Are the length of a side of a square and the perimeter of the square related proportionally? Why or why not?
Question 15
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b . Are the length of a side of a square and the area of the square related proportionally? Why or why not?
Question 16
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Make a Conjecture
A table shows a proportional relationship where k is the constant of proportionality. The rows are then switched. How does the new constant of proportionality relate to the original one?
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