Question

Y varies inversely with x and y = 5 when x = 2.   Which is the inverse variation equation for the relationship?  

A y=1/2x
B y=x+2
C y=10/x
D y=2x

Answer 1

y =k/x is the inverse function.
5 = k/2 ; 10 = k ;

y = 10/x
Letter C