Applying Proportional Relationships to Solve Multi-Step Problems

Which unit represents y?

• hours

• money

Which unit represents x?

• hours

• money

What does k stand for in the equation

y = kx

• constant of proportionality

• 5

• price per ounce

• proportional relationship

How do you find k?

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14
• y=14

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = 1/2x
• x = 3y

Write an equation for this relationship.

• y =0.50x

• y =18.50x

• y =22.50x

• y =22x

In the equation y = 14x, what is the constant of proportionality?

• y

• x

• 14

• 1.4

What is the equation for a proportional relationship?

• y=kx

• y=k/x

• x=ky

• y=ky

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx
• 10=k
• y=10k
• y=10x