Lu7vxoroMattTodrian Lu7vxoroMattTodrian

07-02-2016
Mathematics

contestada

Find the slope of the line that passes through the pair of points (–1, –9) and (–3, 10).

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JvitorBR JvitorBR

07-02-2016

Hi

y₁-y₂ = m(x₁-x₂)
m = (y₁-y₂)/(x₁-x₂)

m = (-9-10)/(-1-(-3))
m = (-19)/(-1+3)
m = -19/2

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Аноним Аноним

08-02-2016

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

[tex] \frac{10 + 9 }{-3 - - 1} = \frac{19}{-2} [/tex]

[tex]m = -\frac{19}{2} [/tex]

Answer Link

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