Representations of Proportional Relationships

Does this table represent a proportional relationship?

• Yes

• No

At what rate did the rain fall?

• 2 cm per hour

• ¹/₄ cm per hour

• ¹/₂ cm per hour

• 4 cm per hour

Does the table represent a proportional relationship?

• Yes.

• No.

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Is this table proportional or non-proportional?

• Proportional

• Non-Proportional

• both

• neither

Identify the constant of proportionality. Write an equation to relate weight, w, to the price, p.

• k = .45; p = .45w

• k = .22; p = .22w

• k = 45; p = 45w

• k = 22; p = 22w

A proportional relationship can be written as an equation in the form
____ = _____  _____

• y = k+x

• y = k-x

• y = kx

• y = k/x

Does the table represent a proportional relationship?

• Yes.

• No.

Find the Unit Rate.
72 ounces for 12 servings    

• 7 ounces per serving

• 144 ounces for 24 servings

• 6 ounces per serving

• 36 ounces for 6 servings

Which equation matches the table? 

• y = x + 4

• y = 5x

• y = x - 4

• y = x + 16