Question

What is the square root of 8 and why?

Answer 1

Rewrite 88 as 22⋅222⋅2.Factor 44 out of 88.√4(2)4⁢2Rewrite 44 as 2222.√22⋅222⋅2Pull terms out from under the radical.2√22⁢2The result can be shown in both exact and decimal forms.Exact Form:2√22⁢2Decimal Form:2.82842712…