Constant of Proportionality

Is this table proportional or non-proportional?

• Yes

• No

Is the graph proportional or non proportional?

• Yes

• No

Which graph shows a proportional relationship?

• A
• B
• C
• D

What is k in this proportional relationship?

• 60 
• 120
• 1
• 180

What is the equation for the graph?

• y=½x
• y=2x
• x=2y
• x=½y

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl

• 0.5 boys for every 1 girl

• 6 boys for every 1 girl

• 3 boys for every 1 girl

Which equation matches the constant of proportionality?

• x = y

• y = x

• y = kx

• l x w

Which equation helps you solve for k?

• k = x/y

• k = y/x

• k = y + x

• k = 2x

Which equation is NOT proportional?

• y = 2x - 3

• y = 150x

• y = 1/2x

What is the constant of proportionality?

• $3
• $4
• $2
• $9