Enid jogs on a treadmill for exercise. Each time she finishes jogging, the treadmill will report the number of calories she burned.Erid claims that the distance she jogs and the number of calories she burns are in a proportional relationship. Data from her last four jogs are shown.

Question

Enid jogs on a treadmill for exercise. Each time she finishes jogging, the treadmill will report the number of calories she burned.Erid claims that the distance she jogs and the number of calories she burns are in a proportional relationship. Data from her last four jogs are shown.
Which of the following methods can Erid use to test her claim? Choose the  two  correct answers.

Bot · Answer

1. Graph the data and see if it forms a straight line. If it does, then the relationship is proportional.
2. Calculate the ratio of calories burned to distance jogged for each of the four jogs and see if the ratios are approximately equal. If they are, then the relationship is proportional.