Rate of Proportionality

What makes a graph proportional?

• Straight line through the origin

• curvy line that goes through the origin

• Curvy line

What is the constant of proportionality?

• 5

• 1/5

• 6

Does this graph show a proportional relationship?

• yes

• no

• you cannot tell

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Solve the proportion:

• 4

• 8

• 14

• 10

What is the rate of change for this table?

• k = 4

• k = 1/4

• k = 3/4

What is the constant of proportionality?

• 3

• 9

• 1

• No Answer

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents

• 12 cents

• 13 cents

• 10 cents

The constant of proportionality is the same as finding what?

• unit rate

• unit price

• all of the above