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12-09-2018
Mathematics

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What is the slope of the line through A(2, 6) and B(8, -1)?

Respuesta :

13-09-2018

The formula of a slope:

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

We have:

[tex]A(2,\ 6)\to x_1=2,\ y_2=6\\\\B(8,\ -1)\to x_2=8,\ y_2=-1[/tex]

Substitute:

[tex]m=\dfrac{-1-6}{8-2}=\dfrac{-7}{6}=-\dfrac{7}{6}[/tex]

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