Linear Equations Versus Proportional

Does the equation show a proportional relationship?

• Yes

• No

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

• x = 3y

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

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Is the given table a proportional relationship? If so, write an equation that relates y to x.

• Yes;  y=1/3x

• Yes;  y=3x

• Yes;  y=5x 

• No

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

• y=0.125x

• y=8x

• y=2x

• y=5x

Which equation shows a NON-proportional relationship of x and y?

• y = 5x

• y = 2.5x

• y = x + 3

• y = 1/2x

Proportional or Non-Proportional?

• Proportional

• Non-Proportional

What is the equation for a proportional relationship?

• y=kx

• x=y

• y=k+x

• k=x+y