Solve the Equation by Extracting the Square Roots $$2 x ^ { 2 } = 16$$

Multiple Choice

Solve the equation by extracting the square roots.
- $$2 x ^ { 2 } = 16$$

A) $x = 2 \sqrt { 2 }$ or $x = - 2 \sqrt { 2 }$
B) $x = 2$
C) $x = 2 \sqrt { 2 }$
D) $x = 2$ or $x = - 2$