Answer:
[tex] - \frac{5}{3} [/tex]
Step-by-step explanation:
[tex]\boxed{slope = \frac{y1 - y2}{x1 - x2} }[/tex]
*(x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate.
Using the formula above,
slope of line
[tex] = \frac{9 - ( - 6)}{ - 8 - 1} \\ = \frac{9 + 6}{ - 9} \\ = \frac{15}{ - 9} \\ = - \frac{5}{3} [/tex]
