Week 16: Math Bridges (Proportional Relationships)

Using the table, if Kenny's test is 18 minutes long, how many words will Kenny be able to type?

• Kenny will type 100 words.

• Kenny will type 200 words.

• Kenny will type 300 words.

• Kenny will type 720 words.

What number is missing in the table?

• 120

• 240

• 480

• 720

Which number represents k, the constant of proportionality?

• 120

• 60

• 40

• 12

Kenny types 280 words. How long did he type for?

• 4 minutes

• 5 minutes

• 6 minutes

• 7 minutes

Jermaine plots the points (0, 0) and (4, 11) on a graph to represent a proportional relationship. Which of the following equations represents the relationship between the x and y-values?

• y = 4/11x

• y = 2.75x

• y = 0.36x

• 11y = 4x

The table shows the relationship between the number of miles traveled, y, and the number of gallons of gas used, x. Which of the following equations best represents the relationship?

• y = 7.6x

• y = 684x

• y = 0.13x

• y = 76x

Use the graph to answer questions 7-8. Be sure to show your thinking on your paper. The graph shows the proportional relationship between the number of dollars Kate earned, y, and the hours she worked at the movie theater. Using the graph, determine the constant of proportionality, k.

• 2

• 5

• 14

• 21

If Kate worked 80 hours last month, how much money did she earn?

• $800

• $1,120

• $1,600

• $2,000

Which of the following tables represents a proportional relationship?

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• 

Which of the representations below does NOT represent the number of minutes in an hour?

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•