Proportional Relationship Quiz

This graph shows a proportional relationship between the number of hours a factory is in operation and the number of gallons of water used. Select True or False for each statement about the graph.

The factory uses 4 gallons of water when it is in operation for 400 hours.

• True

• False

Tags

CCSS.7.RP.A.2D

Point W represents the number of gallons of water used when the factory is in operation for 7 hours.

• True

• False

Tags

CCSS.7.RP.A.2D

The factory uses 9000 gallons of water when it is in operation for 9 hours.

• True

• False

Tags

CCSS.7.RP.A.2D

Jenny earns $140 for 8 hours of work. She receives a 12% pay increase. Enter Jenny's hourly earnings, after the increase. Round to the nearest cent.

Tags

CCSS.6.RP.A.3C

The total cost for cans of soup is proportional to the quantity of cans purchased. This equation represents the proportional relationship between the numbers of cans (n) purchased and the cost (c), in dollars. The equation is

4n = 9c

Enter the cost of 1 can of soup, in dollars. Round to the nearest cent.

Tags

CCSS.7.RP.A.2C

Sara buys a sweater at a department store. The sweater costs $30. The store is having a 25% off sale on everything in the store. Enter the amount of money, in dollars, Sara saves from the sale. Do not consider the sales tax.

Tags

CCSS.6.RP.A.3C

Select all tables that represent a proportional relationship between x and y.

• Table A

• Table B

• Table C

• Table D

Tags

CCSS.7.RP.A.2A

A clothing store marked down the price of shirts by 25%. The store also marked down the price of a pair of jeans by 30%. Ben purchased a shirt whose original price was $32. Ben purchased a pair of jeans whose original price was $40. Enter the amount Ben saved.

Tags

CCSS.6.RP.A.3C

This graph shows a proportional relationship between the number of gallons of gasoline used (g) and the total cost of gasoline (c). Find the constant of proportionality (r). Using the value for r, enter an equation in the form of c = rg that represents the relationship between the number of gallons of gasoline used (g) and the total cost (c).

Tags

CCSS.7.RP.A.2C

This table shows a proportional relationship between x and y. Find the constant of proportionality (r). Using the value for r, enter an equation in the form of y = rx.

Tags

CCSS.7.RP.A.2B