You can
put this solution on YOUR website!If y varies inversely as x^2," equation for this is:
y
; inversely means, when x increases, y decrease
:
y=2 when x=4, what is the constant of the variation?
:
Substituting for y and x we have:
2 =
2 =
Multiply both sides by 16
2*16 = k
:
k = 32; (the constant of variation)
:
:
Check this: using k=32 and x=4
y =
y =
y = 2
