Translate the Given Formula to an English Phrase Using the Word

Multiple Choice

Translate the given formula to an English phrase using the word "varies".
-Suppose $z$ varies directly as the square of $x$ and inversely as $y$ . If $x$ is halved and $y$ is tripled, what happens to $\mathrm { z }$ ?

A) $\mathrm { z }$ is six times as large as before
B) $z$ is one-twelfth as large as before
C) $\mathrm { z }$ is one-sixth as large as before
D) $\mathrm { z }$ is multiplied by $\frac { 3 } { 2 }$