Direct Variation

What is the constant of proportionality? 

• 5
• 1/5
• 10
• 2

What is the constant of proportionality? 

• 6
• 3
• 2
• 1/2

What is the constant of proportionality? 

• 3
• 10
• 30
• 1/10

What is the constant of proportionality? 

• 1/3
• 3
• 5
• 10

What is the constant of proportionality? 

• 4
• 1/4
• 8
• 1/8

A graph has the equation y=14x. Which of the following is the constant of proportionality?

• 14
• x
• y
• 1/14

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

What is the equation that represents this relationship?

• y = 1/12x

• y = 12x

• y = 0.6x

• This is not a proportional relationship.

What is the equation that represents this relationship?

• y = 1/3x

• y = 3x

• y = 2/3x

• This is not a proportional relationship.

What is the equation that represents this relationship?

• y = 1/14x

• y = 14x

• y = 7x

• This is not a proportional relationship.