Simplify Express Your Answer with Positive Exponents $x^{-2}$ A) $\frac { 1 } { x ^ { 2 } }$

Multiple Choice

Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
- $x^{-2}$

A) $\frac { 1 } { x ^ { 2 } }$
B) $- x ^ { 2 }$
C) $x ^ { 1 / 2 }$
D) $= -\frac { 1 } { x ^ { 2 } }$