Finding Constant of Proportionality from Tables

k represents

• the constant of proportionality

• the king

• ketchup

• a strikeout

Write the equation for the table given.

• y = 16x

• y=8x

• y=12x

What is the constant of proportionality? 

• 20

• 4

• 1/5

• 5

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x

• y = k-x

• y = kx

• y = k/x

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Which part of proportional relationships do you feel you need more help with?

Tables - Finding the constant

Tables - Writing the equation

Graphs - Finding the constant

Graphs - Finding the constant and writing the equation

I don't need any help... I know how to do all of it!!

Which graph is proportional?

• A

• B

• None of the graphs

• All of the graphs are proportional

The constant of proportionality is also the unit rate.

• True

• False

What is the constant of proportionality? (Unit rate)

• 2 lemons / 1 pitcher

• 3 lemons / 1 pitcher

• 4 lemons / 1 pitcher

• None of the above

What is the constant of proportionality? (Unit rate)

• 4 dollars / 1 pound

• 0.25 dollars / 1 pound

• 2 dollars / 1 pound

• None of the above