Constants of Proportionality Relationships

is equivalent to . Choose all answers that apply to these proportional ratios.

• true, these are proportional ratios

• false, these are nonproportional ratios

• true, these are proportional and the constant of proportionality is 4

Tags

8.EE.6

Heather is creating towers of nickels and measuring the height, in millimeters, of the stacks. Her data is shown in the table.

Is the height of a tower proportional to the number of nickels?

• no, the height is not proportional to the number of nickels

• yes, the height is proportional to the number of nickels

• unable to determine if the height is proportional to the number of nickels

Tags

8.EE.6

If the constant of proportionality is 6 , how many x's are there for 6 y's? Choose the best answer.

• 6

• -6

• 2

• 1

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 33x

• y = 0.003x

• x = 33y

• 33k

What is the constant of proportionality? (Unit rate)

• 24 gallons / 1 minute

• 16 gallons / 1 minute

• 18 gallons / 1 minute

• None of the above

What is the Constant of Proportionality for the table?

• 1/25

• 25

• 50

• 2

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

Look at the table below. Write an equation to match the pattern between m, minutes and bubbles blown, b.

• b = 12m

• b= m +12

• b = m ÷ 12

• none of these

What is the constant of proportionality for the table above?

• 2

• 1/2

• 3

• None of the above

Determine the constant of proportionality for the table. Express your answer as y = kx

• 15k

• x = 15y

• y = 0.06x

• y = 15x