Proportional Relationships No Graphs

Does the equation show a proportional relationship?

• Yes

• No

Which best describes the equation?
y = 75x

• Proportional

• Nonproportional

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

The table shows a relationship between

x and y.

What is the constant of proportionality?

• 8

• 24

• 4

• 3

You can buy 5 shirts for $60.  Which proportions will give the cost, c, of buying 2 shirts. Select all that apply.

Does the table represent a proportional relationship?

• Yes.

• No.

The constant of proportionality can be found by finding the __________  _____________.

• unit rate

• ratio rate

• proportion answer

• rational number

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12

• $1.50

• $3

• $1

Find the Unit Rate.
72 ounces for 12 servings    

• 7 ounces per serving

• 144 ounces for 24 servings

• 6 ounces per serving

• 36 ounces for 6 servings

What does the point (0,0) represent in context of the situation?

• No cookies were sold.

• No money is made selling cookies.

• No money is made when selling two cookies.

• No cookies were sold and no money was made.