Answer :
[tex]m = \frac{ y_{2} - y_{1} }{ x_{2} - x_{1} } [/tex]
[tex]m = \frac{-1 - 8}{2 - (-6)} [/tex]
[tex]m = \frac{-9}{2 + 6} [/tex]
[tex]m = \frac{-9}{8} [/tex]
[tex]m = \frac{-1 - 8}{2 - (-6)} [/tex]
[tex]m = \frac{-9}{2 + 6} [/tex]
[tex]m = \frac{-9}{8} [/tex]