Respuesta :

The formula for the slope of a line is:

[tex]slope= \frac{ y_{1} - y_{2} }{ x_{1} - x_{2} } [/tex]

Plug in the data we know.

[tex]slope= \frac{ y_{1} - y_{2} }{ x_{1} - x_{2} } = \frac{2-8}{3-7} = \frac{-6}{-4}= \frac{6}{4} = 1.5 [/tex]