anonymous
  • anonymous
Please help will fan and medal!!! Determine whether y varies directly with x. If so, find the constant of variation k. x y 4 6.4 7 11.2 10 16 13 20.8
Mathematics
jamiebookeater
  • jamiebookeater
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Nnesha
  • Nnesha
\[\huge\rm y=kx\] equation for direct variation and k is constant of variation so pick any (x,y) and plug them into the equation
Nnesha
  • Nnesha
make sense ?
anonymous
  • anonymous
yeah that helped! im just trying to figure out the last part. find the constant variation of k and write an equation.. @Nnesha

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Nnesha
  • Nnesha
yes so k is what ? did you solve that ?
anonymous
  • anonymous
its 1.6 right??
Nnesha
  • Nnesha
yes that's right now replace k with 1.6 in this equation y=kx that's it
anonymous
  • anonymous
y= 1.6x like that?
anonymous
  • anonymous
Nnesha
  • Nnesha
yes right :=)
anonymous
  • anonymous
Thank you!! @Nnesha
Nnesha
  • Nnesha
yw :=)

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