This page shows you how to decide whether a straight line's slope (m) is positive, negative, undefined or equal to zero, simply by examining the graph of the line.
Instructions:
Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.
Watch the video as many times as you wish.
Use the Example sheet as a model to help you complete the Exercise sheet.
Use the Answers sheet to correct your work.