Question

Rewrite the expression using a radical.
(a)
9 + x^(3/2)

(b)
(9 + x)^(3/2)

Answer 1

\[\Large 9 + x^\frac32 \to 9 + \sqrt[2]{x^3}\]

Answer 2

\[(9 + x)^{\frac{ 3 }{ 2 }} = \sqrt{(9 + x)^{3}}\]

Answer 3

I thought those were the correct answers also but when I type them in it says they are wrong.

Answer 4

Might be some input error?

Answer 5

here's what I typed in.

Answer 6

You are correct.