Question

write an equation of variation and find k if y varies inversely as x, and y=0.3 when x=15

Answer 1

start with y = k/x or y = k x
substitute (x,y) values

Answer 2

would it be y=k/x^n or just y=k/x

Answer 3

I think "equation of variation" is y = k/x here. Adding an unknown power would give you two unknowns, without enough equations.

Answer 4

thanks

Answer 5

You are very welcome.