Constant of Proportionality in Graphs and Tables

Is this table proportional?

• Yes

• No

What is the constant of proportionality?

• $3

• No COP

• $2

• $9

Is this table proportional?

• Yes

• No

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

Is this graph proportional?

• Yes

• No

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• There is no COP.

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Which table shows a proportional relationship?

• A

• B

• C

• D

What is the unit rate for the rain fall?

• 2 cm per hour

• 1 cm per hour

• ¹/₂ cm per hour

• 4 cm per hour