Respuesta :

The slope is
                           2-1
m = rise / run = ------- = -1/2
                            1-3

Hello!

Step-by-step explanation:

[tex]SLOPE=\frac{Y_2-Y_1}{X_2-X_1}=\frac{RISE}{RUN}[/tex]

[tex]\frac{1-2}{3-1}=\frac{-1}{2}=-\frac{1}{2}[/tex]

Slope is -1/2.

Final answer is -1/2.

Hope this helps!

Thanks!

Have a nice day! :)

:D

-Charlie