3 years ago

1. Can √72 be completely simplified if it is broken up as √72=√9x8, explain why or why not?

1 answer:

const2013 [10]3 years ago

6 0

Sqrt72 = sqrt(9x8) = 3sqrt8 = 3(sqrt(4x2)) = 3(2sqrt2) = 6 sqrt(2)

2. sqrt x = x^½. Rules of indices states for a power of a power, you times them.
so (x^28)^½ = x^14

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