Question

NEED HELP!! WILL FAN AND GIVE YOU ALOT OF MEDALS!!!!!!
1.simplify the radical expression
√64x^8
A.8x
B.8x^4
C.8√x^8
D.8x^2

2.simplify the rational expression.
√125h^4
A.5h^2√5
B.25h^2√5
C.h√62.5
D.5√5h^4

3.multiply. give your answer in simplest form.
2√9*3√15
A.18√15
B.6√6
C.6√24
D.18√6

Answer 1

1. How would you convert a square root into a fractional index?

Answer 2

@summertime

Answer 3

Any ideas?

Answer 4

none at all! im so confused!!

Answer 5

@AnImEfReaK

Answer 6

Okay.
You need to know this index law.
\(\sqrt{a}\) \(=\) \(a^\dfrac{1}{2}\)
When a number is under a square root, you can turn the square root into a power of \(\dfrac{1}{2}\).

Answer 7

This applies to a long number with many terms in it.