yasinazamy yasinazamy
  • 25-10-2018
  • Mathematics
contestada

Find the slope of a line that contains the two points (-2,8) and (1,2).

Respuesta :

gmany
gmany gmany
  • 15-11-2018

The formula of a slope:

[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have the points (-2, 8) and (1, 2). Substitute:

[tex]m=\dfrac{2-8}{1-(-2)}=\dfrac{-6}{3}=-2[/tex]

Answer: the slope = -2.

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