Module 3 - Relations and Functions Review

Write an equation to show the proportional relationship in the graph.

• y=¹/₅₂x
• y=104x
• y=52x
• y=¹/₁₀₄x

Write an equation to represent the proportional relationship shown in the table.

• y=12x
• y=4x
• y=¼x
• y=¹²/₃x

Which pizzeria makes more money?

• Pizzeria W
• Pizzeria L
• They both make the same amount

The graph shows the proportional relationship between the number of days Restaurant T is open and how many people they served.  The equation y=82x represents the relationship for Restaurant S.  Which restaurant served more people?

• Restaurant S
• Restaurant T
• They both served the same amount of people

Write an equation for this relationship.

• y=18x
• y=18.50x
• y=22.50x
• y=22x

Ross walked 7 miles in 2 hours. What is his unit rate of miles per hour?

• 3.5 miles per hour
• 7/2 miles per hour
• 7.2 miles per hour
• 3 miles per hour

8.  Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza
• $82.50 per pizza
• $5.50 per pizza
• $6.50 per pizza

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Which equation best represents the line on the graph?

• y= 1/2x
• y= -1/2x
• y = 2x
• y = -2x

Which equation matches this graph?

• y = x 
• y = -5/3x
• y = -x
• y = -2x