Ratios and Ratio Graphs

How many minutes will it take Papa to string 72 pieces?

• 9 min

• 3 min

• 7 min

• 11 min

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Is this table proportional?

• Yes

• No

What is the constant of proportionality in the table?

• 2

• 8

• 4

• 6

Which graph is non-proportional?

• A

• B

• C

• D

Which best describes the graph represented in this table?

•  proportional

• non-proportional

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Which of the following is the correct formula for finding the constant of proportionality?

• k = x/y

• k = y/x

• y = k/x

• x = k/y

What is the constant of proportionality of the graph above?

• 16

• 1/16

• 1

• None of the above

Does the table represent a proportional relationship? If so, what is the constant?

• Yes, k=1/3

• Yes, k=3

• Yes, k=5

• No