solve for v. $v^{2}=49$ $v = square$ or $square$

$solve for v. $v^{2}=49$ $v = square$ or $square$$

solve for v.
$v^{2}=49$
$v = square$ or $square$

Take the square root of both sides of the equation $v^{2}=49$. We know that if $x^{2}=a$ ($a\geq0$), then $x = \pm\sqrt{a}$. So $v=\pm\sqrt{49}$.

Since $\sqrt{49} = 7$, then $v = 7$ or $v=-7$.

$v = 7$ or $v=-7$