Representing Proportional Relationships with Equations

What is the formula for a proportional relationship?

• y=kx
• y=k/x
• z=ykx
• y=ky

What does k represent in the equation y = kx?

• constant rate of change
• constant of proportionality
• the equation
• x/y

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

• y
• x
• 14

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

• 10=kx
• 10=k
• y=10k
• y=10x

The equation y=5x describes a proportional relationship between x and y. What is the constant of proportionality?

• 6

• 4

• 7

• 5

What is the constant of proportionality in the equation y = 14x ? 

• y
• x
• 14

Write the equation for the table given

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

What is the equation for this table? Use y=kx format.

• y=0.125x
• y=8x
• y=2x
• y=5x

What is the constant of proportionality for this table?

• 1/9
• 9
• 8

What is the Constant of Proportionality of the Table?

• 3
• 1/3
• 1/2
• 6