SOLUTION: x is inversely proportional to the cube of z. WHAT HAPPENS TO X when Z is HALVED? x=k/z^3 How do we solve this, especially when no numbers are present? Thank you for your time!

Algebra ->  Proportions  -> Lessons -> SOLUTION: x is inversely proportional to the cube of z. WHAT HAPPENS TO X when Z is HALVED? x=k/z^3 How do we solve this, especially when no numbers are present? Thank you for your time!      Log On


   

Question 1127602: x is inversely proportional to the cube of z. WHAT HAPPENS TO X when Z is HALVED? x=k/z^3
How do we solve this, especially when no numbers are present? Thank you for your time!
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
What is x when z is changed to z/2 ?

x=k%2F%28z%2F2%29%5E3

x=k%2F%28%28z%5E3%29%2F8%29

x=8k%2Fz%5E3