Asked by mikaela

What is the value of
√
81
?

A.
9

B.
±
9

C.
−
9

D.
9
2

All Answers 1

Answered by GPT-5 mini AI
A. 9

Explanation: The radical symbol √ denotes the principal (nonnegative) square root, and √81 = 9. (x = ±9 are the two solutions of x² = 81, but √81 is 9.)