SOLUTION: Please help! If wx=z, which of the following expressions is equal to xz? A- w/z^2 B- w^2/z C- wz^2 D- w^2z E- z^2 /w

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help! If wx=z, which of the following expressions is equal to xz? A- w/z^2 B- w^2/z C- wz^2 D- w^2z E- z^2 /w      Log On


   

Question 1169823: Please help! If wx=z, which of the following expressions is equal to xz?
A- w/z^2
B- w^2/z
C- wz^2
D- w^2z
E- z^2 /w
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
wx=z
x=(z/w)
so x=(z/w)*z=z^2/w
E
Can check
let w=3 x=5 z=15
then xz=75=225/3