Proportional Relationship in Graphs and Charts

Write the equation of the proportional relationship using the format y = kx.

What is the constant of proportionality? Use the format k = 2.

What is the constant of proportionality? Use the format k = 4.

Write the equation of the graph. Use the format y = kx.

What is the constant of proportionality?

• k = 3

• k = 1/3

• k = 3x

• k = 1/3x

Write an equation for the relationship between x and y. Use format y = kx.

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Which statement below accurately represents the graph?

• $100 is earned for each hour worked

• $200 earned for every 2 hours worked

  is the unit rate

• $62.50 is earned for every hour worked

• $300 is earned after working 4 hours

Find the constant of proportionality in the graph below.

• 9

• 4.5

• 3

• 1.5

Is the graph proportional or non proportional?

• proportional

• non proportional