Connecting Proportional Relationships Equations Graphs Tables

Does the table represent a proportional relationship?

• Yes.

• No.

Does this graph represent a proportional relationship?

• Yes

• No

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.

• The graph is proportional because it is linear and passes through the origin.

• The graph is not proportional because it does not pass through the origin.

• The graph is not proportional because it is not linear and it does not pass through the origin.

Which statement about this graph is most true?

• It is proportional

• The cleaner uses 1 cup of vinegar to every 2 cups of cleaner

• The cleaner uses 4 cups of cleaner to 2 cups of vinegar

• All of the above

A graph shows a straight line that passes through the points (0,0) and (5,15). What is the equation of the line that represents this proportional relationship?

Which of the following represents a proportional relationship?

• The relationship between the number of apples and their weight

• The relationship between the number of pages in a book and the book's weight

• The relationship between the number of cars in a parking lot and the color of the cars

• The relationship between the number of hours worked and the amount of pay at a constant hourly rate

Which equation would be use to create the graph above?

• y = 50x

• y = 2x

• y = 0.02x

Does the table represent a proportional relationship?

• Yes.

• No.

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 the unit rate is not constant.

• The table is proportional and the unit rate is 1/13

• The table is proportional and the unit rate is 13.

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

Using the graph above, determine the constant of proportionality.

• k = 0

• k = 1

• k = 3

• k = 6