Review: Proportions

Is the cost of adult tickets (x) proportional to child tickets(y)?

• Yes and the constant is 4

• Yes and the constant is 0.25

• Yes and the constant is 2.5

• No

​ ​ ​ ​ ​ ​ Create an equation relating the pounds, p, to the cost, c

• p
• =
• 2.5

• c

Which graph is Non-Proportional? What is the constant of the proportional graph?

• Phil's Graph

• Proportional

• Clark's Graph

• The constant

• k = 10

• Not the constant

• k = 7.5

• Non-Proportional

Michael Scott ran an UNREAL 60 feet in 6.5 seconds. Create an equation relating seconds, s, to feet, f.

• s

• =

• 9.23

• F

Coach Patrick is ordering football jerseys for his team. The table below shows the relationship between the number of jerseys ordered and the total cost of the jerseys. How much would it cost him to make 52 football jerseys?

Mr. Lockhart is digging a trench to put in the new school sprinkler system. Every 20 minutes, he can dig 2 feet. How many feet can he dig per minute?

Mr. Lockhart is digging a trench to put in the new school sprinkler system. Every ¼  hour, the length of his trench increases by ⅔ foot. By how much does the length, in feet, of Mr. Lockhart’s trench increase each hour?

• 8/3

• 2.66

• 2 2/3

• 0.375

• 3/8

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

What is the scale factor from ABCD to MNOP?

• 2/3
• 3/2
• 2
• 3

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet
• 16 feet 
• 10 feet
• 4 feet