Test on Proportional Relationship

Which of the following situations represents a proportional relationship?

• A pizza is $7.95 plus $1.00 for each topping

• A pool fills at a rate of 90 gallons per hour

• A health club charges a $40 membership fee plus $25 per month

• A bank account begins with $350 and gains $30 per month

What number is missing in the table?

Kenny is practicing for at typing test. The number of words he can type is proportional to the number of minutes he types. If Kenny types for 18 minutes, how many words will he be able to type?

Which of the following tables represents a proportional relationship?

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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

Which of the following graphs does not represent a proportional relationship?

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Is there a proportional relationship between x and y?

• YES

• NO

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

The table represents some points on a linear function. Which situation can be modeled by this function?

• The cost of buying 1 pair of shoes for $84.

• The cost of using 1 gallon of gas for $76.

• The cost of buying 5 pairs of shoes for $76.

• The cost of purchasing 11 pairs of shoes for $228.

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?