Jeffrey and Liz are each saving money for college. Their savings are shown in the graph at right. Homework Help ✎
Based on the graph, who is saving money fastest? Justify your answer.
Estimate the slope of each line. What does the slope tell you about this situation?
A steeper slope means that more money is being saved for a given time period.
Who has the line with the steeper slope?
Find the change in y and divide by the change in x for each line.
The slope is the rate at which each person saved money.