1. Chapter 2
Section 3

3. Calculate and Interpret the Slope of a Line

4. Rise and Run of a Line

5. Definition

6. Slopes

7. Figure

8. Example

9. Figure

11. Figure

12. Figure

13. Graph Lines Given a Point and the Slope

14. Example

15. Solution

16. Solution continued
Figure 32

17. Solution continued
Figure 33

18. Find the Equation of a Vertical Line

19. Example

20. Solution
Figure 34

21. Theorem

22. Use the Point-Slope Form of a Line; Identify Horizontal Lines

23. Figure

24. Theorem

25. Example

26. Solution continued
Figure 36

27. Example

28. Solution

29. Solution continued
Figure 37

30. Theorem

31. Find the Equation of a Line Given Two Points

32. Example

33. Solution

34. Solution continued
Figure 38

35. Write the Equation of a Line in Slope-Intercept Form

36. Theorem

37. Seeing the Concept

38. Seeing the Concept

39. Identify the Slope and y-Intercept of a Line from Its Equation

40. Example

41. Solution

42. Solution continued

43. Graph Lines Written in General Form Using Intercepts

44. Definition

45. Example

46. Solution

47. Solution continued
Figure 42

48. Find Equations of Parallel Lines

49. Parallel Lines

50. Theorem

51. Figure

52. Example

53. Solution

54. Solution continued
Figure 45

55. Find Equations of Perpendicular Lines

56. Perpendicular Lines
90°

57. Theorem

60. Proof of Criterion for Perpendicular Lines

61. Example

62. Solution

63. Solution continued
Figure 48