SOLUTION: Find an equation of variation when y varies inversely with x and y=2, when x=6 [A] y=(12/x) [B] y=3x [C] y=(x/12) [D] y=(1/3)x

Algebra ->  Expressions-with-variables -> SOLUTION: Find an equation of variation when y varies inversely with x and y=2, when x=6 [A] y=(12/x) [B] y=3x [C] y=(x/12) [D] y=(1/3)x       Log On


   

Question 1029703: Find an equation of variation when y varies inversely with x and y=2, when x=6
[A] y=(12/x) [B] y=3x [C] y=(x/12) [D] y=(1/3)x
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Inverse variation can be written as
xy = k
or
y = k/x
Now if y = 2 when x = 6, we have
xy = 12
so that
y = 12/x
Choice A.