Ratios, Rates, Tables and Graphs

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

• Yes, k=1/3

• Yes, k=3

• Yes, k=5

• No

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Is the graph proportional or non proportional?

• proportional

• non proportional

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Is this table proportional?

• Yes

• No

Which graph is non-proportional?

• A

• B

• C

• D

Which best describes the graph represented in this table?

•  proportional

• non-proportional

What is the equation?

• y=1/4x

• y=4x

• y= x + 4

• y = x - 4

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