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  • 11-11-2015
  • Mathematics
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What is the slope-intercept form equation of the line that passes through (5, 7) and (8, 22)?

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Panoyin
Panoyin Panoyin
  • 11-11-2015
[tex]m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}} = \frac{22 - 7}{8 - 5} = \frac{15}{3} = 5[/tex]

    y = mx + b
    7 = 5(5) + b
    7 = 25 + b
- 25  - 25
  -18 = b
     y = 5x - 18
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