EmmajaneS426983 EmmajaneS426983
  • 29-10-2022
  • Mathematics
contestada

An inverse variation includes the points (8, -1) and (4, n). Find n.

Respuesta :

KymiereR724238 KymiereR724238
  • 29-10-2022

y varies inversely with x

then

[tex]\begin{gathered} y=\frac{k}{x} \\ -1=\frac{k}{8} \\ k=-1\cdot8 \\ k=-8 \end{gathered}[/tex]

so,

[tex]n=-\frac{8}{4}=-2[/tex]

answer: n = - 2

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