Constant of Proportionality

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

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

What is the constant of proportionality?

• $3
• $4
• $2
• $9

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

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

• x
• y
• 1/2
• 2

Which table shows a proportional relationship between the distances on a map and the actual distances?

• 
• 
• 
• 

Write the equation for the table given.

• y = 16x
• y=8x
• y=12x

Is this table proportional or non-proportional?

• Yes

• No

Write an equation for this relationship.

• y = 18x
• y = 18.50x
• y = 22.50x
• y = 22x