1. Copyright 2002, Pearson Education Canada1 How to Read and Understand Graphs Appendix to Chapter 1

2. Copyright 2002, Pearson Education Canada2 Time Series Graphs (Figure1A.1)

3. Copyright 2002, Pearson Education Canada3 Time Series Graphs (Table 1A.1 & Figure 1A.2)

4. Copyright 2002, Pearson Education Canada4 A Cartesian Coordinate System (Figure 1A.3)

5. Copyright 2002, Pearson Education Canada5 A Cartesian Coordinate System (Figure 1A.4 and Table 1A.2)

6. Copyright 2002, Pearson Education Canada6 Positive and Negative Slopes of Curves (Figure 1A.5)

7. Copyright 2002, Pearson Education Canada7 Calculating the Slope of a Line zThe slope of a line measures how much the variable on the y-axis changes when the variable on the x-axis changes by one unit. SLOPE = ΔY = Y 2 - Y 1 ΔX X 2 - X 1

8. Copyright 2002, Pearson Education Canada8 Changing Slopes Along Curves (Figure 1A.6a)

9. Copyright 2002, Pearson Education Canada9 Changing Slopes Along Curves (Figure 1A.6b)

10. Copyright 2002, Pearson Education Canada10 Changing Slopes Along Curves (Figure 1A.6c)

11. Copyright 2002, Pearson Education Canada11 Changing Slopes Along Curves (Figure 1A.6d)

12. Copyright 2002, Pearson Education Canada12 Changing Slopes Along Curves (Figure 1A.6e)

13. Copyright 2002, Pearson Education Canada13 Changing Slopes Along Curves (Figure 1A.6f)

14. Copyright 2002, Pearson Education Canada14 Review Terms and Concepts zcartesian coordinate system zgraph znegative relationship zorigin zpositive relationship zslope ztime series graph zx-axis zy-axis zy-intercept