Section 1.4 Lines
OBJECTIVE 1
 
 
 
 
Find the slope of the line containing the points ( – 1, 4) and (2,  – 3).
Adjust the selections for  X min,  X max,  Y min, and  Y max by setting the ratio of  x  to  y  at 3:2.
 
 
These figures also illustrate that the closer the line is to the vertical position, the greater the magnitude of the slope.
OBJECTIVE 2
Draw a graph of the line that contains the point (1, 4) and has a slope of:
OBJECTIVE 3
Graph the equation  x  =  –  2
 
OBJECTIVE 4
 
Find the equation of a line with slope  –  3 and containing the point ( –  1, 4).
Find an equation of the horizontal line containing the point ( –  4,  –  1).
 
OBJECTIVE 5
Find an equation of the line  L  containing the points ( – 1, 4) and (3,  – 1).  Graph the line  L .
OBJECTIVE 6
 
 
 
OBJECTIVE 7
Find the slope  m  and  y -intercept  b  of the equation  3 x  – 2 y  = 6.  Graph the equation.
OBJECTIVE 8
 
Graph the linear equation 3 x  + 2 y  = 6 by finding its intercepts.
OBJECTIVE 9
 
 
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...
OBJECTIVE 10
 
 
Find the slope of a line perpendicular to a line with slope  .
Find an equation of the line that contains the point ( –  4, 6) and is perpendicular to the line 2 x  –  y  = 4.  Graph th...
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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.

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