Ratios Proportions Constant of Proportionality

What is the constant of proportionality for the table above?

• 2

• 1/2

• 3

• None of the above

What is the constant of proportionality of the graph above?

• 0

• 1/6

• 60

• 10

Which of the tables above has a constant of proportionality of $0.20?

• & B

• A

• B

• All of them

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Identify the constant of proportionality.

• k = 1/0.45

• k = 0.45

• k = -0.45

• k = -1/0.45

• none (not proportional)

The ratio of cups of sugar to cups of flour needed to bake cookies is 1:5. If Myesha uses 25 cups of flour, how much sugar is needed?

• 125 cups

• 5 cups

• 15 cups

• 10 cups

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.

• Yes, because it doesn't pass through the origin.

• Yes, because it intersects the y axis.

• No, because it intersects the x axis.

A comparison of two quantities using divison

• rate

• ratio

• proportion