If y varies inversely as x and y = –9 when x = 5, find y when x = –3.

Question

I dont think my answer is correct. 

Answer 1

y varies inversely as x

 

y = k/x

 

-9=k/5

 

-45=k

 

find y when x = –3.

 

y =k/x = -45/-3=15