Proportional and Non-Proportional Relationships REVIEW

Which graph shows a proportional relationship between x and y?

• 
• 
• 
• 

Which graph shows a non-proportional linear relationship between x and y?

• 
• 
• 
• 

Which situation represents a proportional relationship?

• The distance Mary is from home in x hours if she started 12 miles from home and walked 3 miles per hour away from her house.

• The cost of a tennis club membership for x months if it costs $200 to join plus $25 per month.

• The total cost for x pizzas if it costs $11 per pizza plus a $2 delivery fee.

• The amount of time it will take Tim to rake x bags of leaves if he rakes 5 bags of leaves per hour.

Nolan's art class is combining flour and water to create clay. The recipes for the ratio of flour to water are shown in the tables. Which recipe is non-proportional?

• 
• 
• 
• 

Choose the answer where the equation does not match the given table.

• 
• 
• 
• 

The area of a triangle varies directly with its height. A triangle with an area of 42 square inches has a height of 6 inches. What is the area of a triangle when the height is 11 inches?

• 77 square inches

• 7 square inches

• 17 square inches

• 70 square inches

Which equation shows a proportional linear relationship between x and y?

• y = 4x

• y = 9x − 7

• y = x + 4

• y = 4x + 1

Which equation represents the table?

• y = 2x − 7

• y = 2x + 7

• y = −2x + 7

• y = −2x − 7

The ordered pair (3, 2) represents a point on the graph of a proportional relationship. Which two ordered pairs could represent other points on the graph?

• (0, 0) and (8, 3)

• (0, 3) and (9, 6)

• (0, 3) and (8, 3)

• (0, 0) and (9, 6)

Which graph appears to show a proportional relationship between x and y?

• 
• 
• 
•