Proportional Relationships from Tables and Graphs

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked
  is the unit rate

• $500 is earned for every 8 hours worked

• $200 is earned after working 3 hours

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Which statement about this graph is most true?

• It is proportional

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• All of the above

The "Distance from Home" (miles) is best described as:

• on the x-axis

• the dependent variable

• the independent variable

• both a & c

Which table shows the relationship between x and y as a direct variation?

• 
• 
• 
• 

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

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

• 35 = 1x

• y = 35x

• y = 3.5x

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 = 0.013x

• y = 684x

• y = 76x

Which of the following tables represents a proportional relationship?

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• 
• 
• 

Which of the following represents the constant of proportionality in the table?

• k = 85

• k = 95

• k = 190

• k = 125