Identify the Constant of Proportionality in Equations

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

The constant of proportionality in the equation y = ½x is _______. 

• x

• y

• 1/2

• 2

What does k represent in the equation y = kx?

• constant rate of change

• constant of proportionality

• the equation

• x/y

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx

• 10=k

• y=10k

• y=10x

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none

Identify the constant of proportionality

• k = 1/90

• k = 1/30

• k = 90

• k = 30

What is the Constant of Proportionality?

• 5 gallons per 2 walls

• 2.5 walls per gallon

• 2 gallons per 5 walls

The data in the table represents a proportional relationship. What is the constant?

Does the table have a constant of porportionality? If so, write the Equation.

• No the table does not have a constant

• Yes, y = 1/7x

• Yes, y = 7x

• None of the above