Respuesta :

Apply the slope formula:

[tex]m=\text{ }\frac{y2-y1}{x2-x1}[/tex]

Where:

(x1,y1) = (-7,21)

(y1,y2) = ( -6,17)

Replacing:

[tex]m=\frac{17-21}{-6-(-7)}=\frac{17-21}{-6+7}=\frac{-4}{1}=-4[/tex]

slope = -4

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