Answer:
-3
Step-by-step explanation:
[tex]\boxed{slope = \frac{y1 - y2}{x1 - x2} }[/tex]
Slope
[tex] = \frac{17 - ( - 13)}{ - 9 - 1} [/tex]
[tex] = \frac{17 + 13}{ - 10} [/tex]
[tex] = \frac{30}{ - 10} [/tex]
= -3
