Which of these choices show a pair of equivalent expressions? Check all that apply.

Question

asked May 20, 2021 173k views

2 Answers

Florian Pfisterer · Answer 1 · 2021-05-23T21:30:16+0000

Answer:

A, D

Explanation:

For a rational exponent, he numerator becomes an exponent, and the denominator becomes the index of the root.

A. 8^(9/2) means the square root of 8, raised to the 9th power. True.

B. 125^(3/7) means the seventh root of 125, raised to the 3rd power. False.

C. 12^(1/7) means the seventh root of 12, raised to the 1st power. False.

D. 4^(5/2) means the square root of 4, raised to the 5th power. True.