Respuesta :

We have to find the slope having points (-1,1) and (1,-1), We are going to use the formula for the slope of the line

[tex]m=\frac{y2-y1}{x2-x1}=\frac{-1-1}{1-(-1)}=\frac{-2}{2}=-1[/tex]

The answer is m= -1

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