Decide Whether or Not the Equations Are Equivalent $\begin{array} { l } x = - 2 \\x ^ { 2 } = 4\end{array}$

Multiple Choice

Decide whether or not the equations are equivalent.
- $\begin{array} { l } x = - 2 \\x ^ { 2 } = 4\end{array}$

A) Not equivalent
B) Equivalent