Graph Proportional Relationships

Select the correct answer.

• This graph is proportional.

• This graph is nonproportional because it's not a straight line.

• This graph is nonproportional because it doesn't go through the origin.

Select the correct answer.

• This graph is proportional.

• This graph is nonproportional because it's not a straight line.

• This graph is nonproportional because it doesn't go through the origin.

Select the correct answer.

• This graph is proportional.

• This graph is nonproportional because it's not a straight line.

• This graph is nonproportional because it doesn't go through the origin.

Tell whether the graph shows a proportional relationship.

• Proportional

• Not proportional

The graph shows the number of boxes a machine packages over time. Is the relationship proportional?

• Yes

• No

The graph shows a proportional relationship between the cups of flour a baker uses the number of cookies made. What does the point (0,0) represent in the situation?

The graph shows a proportional relationship between the cups of flour a baker uses the number of cookies made. What does the point (1,18) represent in the situation?

The points (0.5, 1/10) and (7, 1 2/5) are on the graph of a proportional relationship. What is the constant of proportionality?

The points (0.5, 1/10) and (7, 1 2/5) are on the graph of a proportional relationship. Write an equation that represents the proportional relationship.

Denmark uses the kroner as its currency. Before a trip to Denmark, Mia wants to exchange $1,700 for kroner. How many more kroner would Mia get if she exchanged her $1,700 at the bank with the better exchange rate?