# How do you solve sqrtv = 2 and find any extraneous solutions?

##### 1 Answer
Jun 21, 2018

$v = 4$

#### Explanation:

It is sufficient to square both sides of the equation to get

$v = 4$

It is not an extraneous solution, since if we plug it in the equation we get

$\sqrt{4} = 2$

which indeed works.