Equations y=mx

Is the following equation a proportional relationship?

y = -1/4x

• Yes

• No

Write an equation for this situation.

• y = 9.75x

• y = 19x

• y = 19.25x

• y = 9.5x

Write an equation for this relationship.

• y = 1/5x

• y = 1/2x

• y = 2x

• y = 5x

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

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

• y

• x

• 14

• None of these

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

• x = 3y

What is the formula for a proportional relationship?

• y = kx

• y = k/x

• z = ykx

• 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

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

Which equation matches the given graph?

• y = 0.45x

• y = ²/₅x

• y = 4x

• k = ¼