If $4(\boldsymbol{\bullet})^{2}=144$, then a value of $\vee$ is
(A) 3
(B) 6
(C) 9
(D) 12
(E) 18
If $4(\boldsymbol{\bullet})^{2}=144$, then a value of $\vee$ is
(A) 3
(B) 6
(C) 9
(D) 12
(E) 18

\section*{Solution  $4(\boldsymbol{\bullet})^{2}=144$

$$
\begin{aligned}
& \boldsymbol{v}^{2}=36 \\
& \boldsymbol{v}= \pm 6
\end{aligned}
$$

ANSWER: (B)