Respuesta :

joshlind3

Answer:

-12

Step-by-step explanation:

The slope of a line is just the difference of y-values divided by the difference of x-values

[tex]m = \frac{y_2-y_1}{x_2-x_1} = \frac{144-0}{0-12} = \frac{144}{-12} = -12[/tex]