psyfare
contestada

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



y=???

Respuesta :

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