Proportional vs Nonproportional Relationships

Jackson wants to buy a new video game console. He has saved $50 and earns $20 per lawn that he mows. Which of the following can be used to determine the number of lawns Jackson needs to mow, m, in order to buy the video game console, which costs v, dollars?

• $v=50m+20$

• $m=\frac{2}{5}v+50$

• $v=20m+50$

• $m=\frac{5}{2}v+50$

Which equation best represents the line in the graph?

• $y=3x+2$

• $y=\frac{3}{4}x+2$

• $y=2x+3$

• $y=\frac{4}{3}x+2$

A local Mexican food restaurant caters parties for 20 or more guests. Which equation does the Mexican food restaurant use to calculate the total cost for catering with 20 or more guests?

•  $c=\frac{25}{7}g$  

•  $c=25g+7$  

•  $c=7g+25$  

•  $c=\frac{7}{27}g+20$  

Which equation best describes the distance versus time data in the graph?

•  $d=6t$  

•  $d=37.5t$  

•  $d=30t$  

•  $d=50t$  

Which of the following best represents a linear proportional relationships?

• 
•  $y=3x-7$  

•  $y=8x+25$  

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Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A mail carrier travels at 15 miles per hour through a neighborhood. Which table represents the distance the mail carrier travels in x hours?

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Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3