Proportional Relationships Constant of Proportionality

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

The famous Equation that we can use to represent a Proportional Table is _______.

• X=KY

• Y=KX

• K=XY

• X=Y

is the graph proportional?

• proportional

• non proportional

Does the table represent a proportional relationship?

• yes

• No

• Not enough information to determine

Identify the constant of proportionality.

• 5

• 1/5

• 1

• none (not proportional)

The constant of proportionality for this graph is 5. What is the equation for this graph?

• y=1/5x

• y=10x

• 5=yx

• y=5x

Determine the constant of proportionality for the table. What is the equation for this table?

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Which equation represents this graph?

• y=80x

• y=20x

• y=40x

• y=160x

What makes a graph proportional?

• Straight line

• The line goes through the origin

• Curvy line

• Straight line and the line goes through the origin

Proportional or Non-Proportional?

• Proportional

• Non-Proportional