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8 – 4 Slope Intercept Form

8 – 4 Slope Intercept Form. Objective to use the slope intercept form. 8 – 4 Slope Intercept Form. Objective to use the slope intercept form y = mx + b. 8 – 4 Slope Intercept Form. Objective to use the slope intercept form y = mx + b: equation of a straight line.

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8 – 4 Slope Intercept Form

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  1. 8 – 4 Slope Intercept Form • Objective to use the slope intercept form

  2. 8 – 4 Slope Intercept Form • Objective to use the slope intercept form • y = mx + b

  3. 8 – 4 Slope Intercept Form • Objective to use the slope intercept form • y = mx + b: equation of a straight line

  4. 8 – 4 Slope Intercept Form • Objective to use the slope intercept form • y = mx + b: equation of a straight line • m is slope

  5. 8 – 4 Slope Intercept Form • Objective to use the slope int form • y = mx + b: equation of a straight line • m is slope • b is y-intercept

  6. 8 – 4 Slope Intercept Form • Objective to use the slope int form • y = mx + b: equation of a straight line • m is slope • b is y-intercept, where line crosses the y axis

  7. 8 – 4 Slope Intercept Form • Objective to use the slope int form • y = mx + b: equation of a straight line • m is slope • b is y-intercept, where line crosses the y axis because x is 0.

  8. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4

  9. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4 read off m =

  10. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4 read off m = 2

  11. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4 read off m = 2 b =

  12. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4 read off m = 2 b = 4

  13. 8 – 4 Slope Intercept Form • y = mx + b • y = 2x + 4 • read off m = 2 b = 4 • Graph:☺

  14. 8 – 4 Slope Intercept Form • Example 1: • y = 3x + 2 • 5 • read off m =

  15. 8 – 4 Slope Intercept Form • Example 1: • y = 3x + 2 • 5 • read off m = 3 • 5

  16. 8 – 4 Slope Intercept Form • Example 1: • y = 3x + 2 • 5 • read off m = 3 • 5 • b =

  17. 8 – 4 Slope Intercept Form • Example 1: • y = 3x + 2 • 5 • read off m = 3 • 5 • b = 2 • Graph:☺

  18. 8 – 4 Slope Intercept Form • Example 2: • y = - 3x + 6 • 4

  19. 8 – 4 Slope Intercept Form • Example 2: • y = - 3x + 6 • 4 • read off m =

  20. 8 – 4 Slope Intercept Form • Example 2: • y = - 3x + 6 • 4 • read off m = -3 • 4

  21. 8 – 4 Slope Intercept Form • Example 2: • y = - 3x + 6 • 4 • read off m = -3 • 4 • b =

  22. 8 – 4 Slope Intercept Form • Example 2: • y = - 3x + 6 • 4 • read off m = -3 • 4 • b = 2 • Graph:☺

  23. 8 – 4 Slope Intercept Form • Example 3: Find m, y-intercept and graph. • 2x – 5y = 10 • ☺

  24. 8 – 4 Slope Intercept Form • If slope is equal for two different lines the lines are parallel.

  25. 8 – 4 Slope Intercept Form • If slope is equal for two different lines the lines are parallel. • Example 4: Are 2x + y = 8 and 2x + y = 6 parallel?

  26. 8 – 4 Slope Intercept Form • If slope is equal for two different lines the lines are parallel. • Example 4: Are 2x + y = 8 and 2x + y = 6 parallel? • Find slope, solve for y:

  27. 8 – 4 Slope Intercept Form • If slope is equal for two different lines the lines are parallel. • Example 4: Are 2x + y = 8 and 2x + y = 6 parallel? • Find slope, solve for y: • ☺

  28. 8 – 4 Slope Intercept Form • Homework: P. 368 3 – 30 every third

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