Rationalize the Denominator $\frac { - 13 } { \sqrt { x } }$

Multiple Choice

Rationalize the denominator. $\frac { - 13 } { \sqrt { x } }$

A) $\frac { - 13 \sqrt { x } } { x }$
B) $\frac { 169 } { x }$
C) $\frac { x \sqrt { x } } { - 13 }$
D) Already rationalized.