Graph Proportional Relationship

Luis can run 2 miles per hour. Which graph

best represents this relationship?

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Sophia, Evelyn, and Maya took a taxi ride in New York City. They noticed a pattern between the distance the taxi traveled and the cost of their ride. Is this relationship proportional? Explain.

• The relationship is not proportional because the cost does not start at zero when the distance is zero.

• The relationship is proportional because the cost of the ride increases in a straight line as the distance increases.

• The relationship is not proportional because the cost of the ride does not increase in a straight line as the distance increases.

• The relationship is proportional because the cost increases as the distance increases.

Tell whether the graph shows a proportional relationship.

• Proportional

• Not proportional

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. Write an equation that represents the proportional relationship.

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

• Yes

• No

The graph shows the number of boxes a machine packages over time. How many boxes does the machine package in 4 minutes?

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?

Does the graph show a proportional relationship between x and y?

• Yes

• No