Constants

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

What is the constant of proportionality?

• 3
• 4
• 2
• 5

Which of the tables above represents a proportional relationship?

• a & c
• a, b & c
• a, c & d
• all of them

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 3

• 9

• 6

• 8

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• 0.125 pounds per dollar

 

The constant of proportionality can be found by finding the __________  _____________.

• proportion answer

• unit rate

• rational number

• ratio rate

What is the constant of proportionality? 

• 2

• 10

• 5

• 1/5

Does this graph show a proportional relationship?

• Yes

• No

 

Which graph shows a proportional relationship?

• 
• 
• 
• 

Which tables and graphs show a proportional relationship?

• A,B,D

• A,C,F

• B,D,E

• B,C,F