SOLUTION: Find an equation of variation when y varies inversely as x and y=7 when x=5. [a] y=5/7x [b] y=7/5x [c] y=x/35 [d] y=35/x thank you.

Algebra ->  Inverses -> SOLUTION: Find an equation of variation when y varies inversely as x and y=7 when x=5. [a] y=5/7x [b] y=7/5x [c] y=x/35 [d] y=35/x thank you.      Log On


   



Question 67438: Find an equation of variation when y varies inversely as x and y=7 when x=5.
[a] y=5/7x
[b] y=7/5x
[c] y=x/35
[d] y=35/x
thank you.

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
Find an equation of variation when y varies inversely as x and y=7 when x=5.
Y=K/X...................Y=7 WHEN X=5
7=K/5.........K=7*5=35
Y=35/X....................D IS CORRECT
[a] y=5/7x
[b] y=7/5x
[c] y=x/35
[d] y=35/x