Constant of Proportionality

Does the table represent a proportional relationship?

• Yes.
• No.

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

Determine which equation does NOT represent a proportional relationship.

• y = -2x
• y = 1/2 x
• y = 3x
• y = 5x - 7

A proportional graph is a straight line through the...

• oreo

• oregon

• origin.

• potato

Is this equation y = 14x showing proportionality?

• yes

• no

What is the equation y=kx for the table?

• y=1/3x
• y=3x
• y=5x
• y=1/5x

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

• x
• y
• 1/2
• 2

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

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

What does k represent in the equation y = kx?

• independent variable
• constant of proportionality
• dependent variable
• krispy kreme

__________________ describes how many units of the first type of quantity corresponds to one unit of the second type of quantity

• unit rate

• ratio

• proportion

• popcorn