The graph of the linear function shown relates the number of items purchased at a store to the balance on a gift card that is being used at the store.

A graph of a linear function that relates the number of items purchased at the 5-dollar store and a store gift card balance.

Calculate the slope of the linear function shown in the graph. Show all work.


Part B: The table shown depicts a linear function and represents the gift card balance at a different store after a certain number of items have been purchased.

Number of Items Purchased
Gift Card Balance
(in dollars)











Calculate the slope of the linear function shown in the table. Show all work.


Part C: Compare the slopes from Part A and Part B, and explain what the slope represents in the context of each situation. Use complete sentences.