Comparing Proportional Relationships in Tables and Graphs

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Does the table show a proportional relationship?

• Yes

• No

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

• Proportional

• Not Proportional

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

• Proportional

• Not Proportional

A Jam company is trying out a new recipe. The graph shows the old recipe and the table shows the new recipe. Which recipe uses more sugar per jar of jam?

• The old recipe

• The new recipe

• Impossible to tell

Given the graph of a line that passes through the origin and the point (4, 8), which of the following is true about the relationship between x and y?

• The relationship is not proportional.

• The relationship is proportional, and the constant of proportionality is 0.5.

• The relationship is proportional, and the constant of proportionality is 2.

• The relationship is proportional, but the constant of proportionality cannot be determined.

Which table shows the same relationship as the line?

• 
• 
• 
• 

Complete the table to show a proportional relationship between x and y, where the constant of proportionality is 3. | x | y | |---|----| | 1 | 3 | | 2 | 6 | | 4 | ? | | 5 | 15 |

• 9

• 12

• 18

• 21

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 graph shows a proportional relationship between x and y?

• F

• G

• H

• J