Review for Module 5 Proportions

A principal ordered pizzas for a class party. She paid $120 for 15 pizzas. Which equation represents the proportional relationship between, c, the cost of the pizzas and p, the number of pizzas?

• y = 8x

• k = 8

• c = 8p

• p = 8c

A proportional graph has 2 characteristics.

• Straight Line

• Goes through the origin

• Both of the other answers

A recipe requires 1/4 cup of butter for every 1 1/2 cup of flour. How many cups of flour are needed for each cup of butter?

• 6

• 1/6

• 1 1/2

• 3/8

What point on the graph represents the unit rate?

• (2,10)

• (1,5)

• (5,1)

• (10,2)

Is this relationship proportional?

• yes

• no

Is this relationship proportional?

• yes

• no

What is the constant of proportionality?

• k=1.5

• k=2/3

• y= 2/3x

• y = 1.5 x

What is the equation of proportionality?

• k= 1.5y

• k= 2/3 y

• y=1.5x

• x=1.5y

What point indicates the unit rate?

• W

• R

What does point R indicate?

• 4 pounds of turkey for $10.

• 10 pounds of turkey for $4.