psyfare
psyfare psyfare
  • 12-08-2016
  • Mathematics
contestada

Find an equation of variation where y varies directly as x and y = 8 when x = 2, find y when x = 10.



y=???

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Ckaranja
Ckaranja Ckaranja
  • 16-08-2016
y[tex] \alpha x[/tex]
y=mx
Where m is a constant of variation;
y=8, x=2
8=2m
m=8/2
m=4
y=4x
When x=10
y=4(10)
y=40
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