Homework Explained - Math Practice 101

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Chapter 3: Proportional Relationships; Lesson 1: Representing Proportional Relationships

• Question 13

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

b. Write the equation for the relationship and tell what each variable represents.

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• Question 13

c. How long does it take the snail to crawl 85 inches?

•  minutes

H.O.T.

Focus on Higher Order Thinking

• Question 14

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

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

b. Are the length of a side of a square and the area of the square related proportionally? Why or why not?

• Question 16

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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