Ratio Proportion, Constant of Proportionality

Write an equation for this relationship.

• y = 18x

• y = 18.50x

• y = 22.50x

• y = 22x

Find the unit rate of 624 calories in 3 servings.

• 872 calories per serving

• 208 calories per serving

• 624 calories per serving

• 621 calories per serving

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

• y

• x

• 14

• 1/14

Write the equation for the table given

• y = 1/3x

• y = 3x

• y = 1/2x

What is the Constant of Proportionality?

• k=46

• k=92

• k=0.2

• not proportional

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 4

• none (not proportional)

Identify the constant of proportionality.

• k = 2

• k = 4

• k = 1/2

• k = 1/4

• none (not proportional)

Identify the constant of proportionality.

• k = 25

• k = 50

• k = 100

• k = 1/50

• none (not proportional)

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 30k

• y = 30x

• y = 0.03x

• y = 9x