End of Unit 2 Review

Which equation shows the relationship between the number of uniforms, x, and the cost, y?

Hint: find k

• y=20x

• y=10x

• y=2x

• y=x

The table shows the relationship between the side lengths of a regular pentagon and its perimeter.

Which equation shows the relationship between the side length and the perimeter of a regular pentagon?

• P = s + 5

• P = 5s

• $P\ =\ \frac{1}{5}s$

• P = 5s + 5

What value of x makes this proportion true?

 $\frac{14}{20}\ =\frac{56}{x}$  

• x = 62

• x = 70

• x = 80

• x = 100

What is the unit cost of a uniform?

• $2 per uniform

• $5 per uniform

• $10 per uniform

• $20 per uniform

Determine the cost of proportionality.

Only give numerical answer.

Ms. Sanchez drove 96 miles in 1.5 hours. What was her speed in miles per hour?

• 48 miles per hour

• 54 miles per hour

• 64 miles per hours

• 144 miles per hour

The graph below shows the relationship between

x, the number of movie tickets purchased, and y,

the cost of the tickets. What does point P represent on the graph?

• The price of 1 ticket is $30.00, which is $30.00 per ticket.

• The price of 1 ticket is $30.00, which is $5.00 per ticket.

• The price of 6 tickets is $30.00, which is $5.00 per ticket.

• The price of 6 tickets is $30.00, which is $6.00 per ticket.

How much will it cost the team to order 8 uniforms?

• $20

• $140

• $160

• $180

Which table represents a proportional relationship?

• 
• 
• 
• 

Emily is answering multiple-choice questions for a homework assignment. She records the time that it is taking to complete the assignment on the graph below. What does the point (20,40) on the graph represent?

• Emily is completing 40 multiple-choice questions per hour.

• In 40 minutes Emily has completed 20 multiple-choice questions.

• In 20 minutes Emily has completed 40 multiple-choice questions.

• Emily is completing 20 multiple-choice questions per hour.