Question

Find the radical of 392.

Answer 1

You have to factor out squares so you can pull them out of the radical based on this rule:

√(xy) = √x * √y

So:

√392
√(196 * 2)
√196 * √2
14√2

Answer 2

196 x 2/98 x 4/49 x 2 x 4/7 x 2 square root 2/14 square root 2

Answer 3

Thank you!