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