Proportionality Task02

Keeping the slider at 7, select three costs from the table and divide them by their corresponding quantities. What answer do you get?

Change the slider to a different number, select three costs from the table and divide them by their corresponding quantities. What number on the slider did you choose? What number did you get?

The value you found in questions 1 & 2 is the "constant of proportionality." Describe the relationship between the quantity and the cost based on the "constant of proportionality.  Describe the relationship between the "constant of proportionality" and the graph.