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# Sulpcegu5e ppt 1_4

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### Sulpcegu5e ppt 1_4

1. 1. Section 1.4 Lines
2. 2. OBJECTIVE 1
3. 7. Find the slope of the line containing the points ( – 1, 4) and (2, – 3).
4. 8. Adjust the selections for X min, X max, Y min, and Y max by setting the ratio of x to y at 3:2.
5. 11. These figures also illustrate that the closer the line is to the vertical position, the greater the magnitude of the slope.
6. 12. OBJECTIVE 2
7. 13. Draw a graph of the line that contains the point (1, 4) and has a slope of:
8. 14. OBJECTIVE 3
9. 15. Graph the equation x = – 2
10. 17. OBJECTIVE 4
11. 19. Find the equation of a line with slope – 3 and containing the point ( – 1, 4).
12. 20. Find an equation of the horizontal line containing the point ( – 4, – 1).
13. 22. OBJECTIVE 5
14. 23. Find an equation of the line L containing the points ( – 1, 4) and (3, – 1). Graph the line L .
15. 24. OBJECTIVE 6
16. 28. OBJECTIVE 7
17. 29. Find the slope m and y -intercept b of the equation 3 x – 2 y = 6. Graph the equation.
18. 30. OBJECTIVE 8
19. 32. Graph the linear equation 3 x + 2 y = 6 by finding its intercepts.
20. 33. OBJECTIVE 9
21. 36. Find an equation for the line that contains the point (4, – 1) and is parallel to the line – 3 x + 5 y = 1. By hand, graph the two lines.
22. 37. OBJECTIVE 10
23. 40. Find the slope of a line perpendicular to a line with slope .
24. 41. Find an equation of the line that contains the point ( – 4, 6) and is perpendicular to the line 2 x – y = 4. Graph the two lines.