Exponents and Roots

[user4173]

Should we consider negative roots for this question
sqrt(4)

[HoldMyBeer]

No

[user4173]

thanks

[user4173]

When do we consider negative roots especially for questions where they ask how many value? Or tick all that apply

[HoldMyBeer]

https://magoosh.com/gre/positive-and-negative-square-roots-on-the-gre/

[user4173]

Thanks now it makes sense