Proportional Relationships Table and Graph

Does the following graph represent a proportional relationship?

• No, because it does not start at the origin.

• No, because it is not a straight line.

• Yes, because it starts at the origin.

• Yes, because it is a straight line.

Does the equation g=1/4w represent a proportional relationship? If so, identify the constant of proportionality.

• Proportional; k=1/4

• Proportional; k=4

• Not Proportional

• Proportional; k=3/5

• Proportional; k=3

• Not Proportional

• Proportional; k=5

The number of trees and the number of apples are given in the table above.  Determine which statement below is correct.

• The table is not proportional because there is not a constant of proportionality.

• The table is proportional and the constant of proportionality is 1/13.

• The table is proportional and the constant of proportionality is 13.

What is the constant of proportionality for the following graph?

• There is no constant of proportionality because the graph is not proportional.

• k = 9 inches per hour

• k = 1/9 inches per hour

• k = 1 inch per hour

The cost, c, of potato salad by its weight in pounds, p, at a deli is given in the table above.  Which equation best models this data.

• c = .29p

• c = 3.5p

• p = .29c

• p = 3.5c

What is the constant of proportionality based on the table above?

• 1/75

• 75

• 1

• 0

Determine the unit rate from the table above given the distance in leagues, x, and the distance in miles, y.

• k = 1/3

• k = 3

• k = 6

• k = 1

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6

Using the table above, determine which statement is correct.

• The table is proportional and the unit rate is 100.

• The table is not proportional because the unit rate is not constant.

• The table is not proportional because it doesn't pass through the origin.

• The table is proportional and the unit rate is 0.01.