What is sqrt 81? ____ or ____

Identify Number: Identify the number whose square root is to be found. We need to find the square root of 81.Recall Perfect Squares: Recall the perfect squares that are close to 81 to determine its square root. 9 * 9 = 81, so the square root of 81 is 9.Write Positive Square Root: Write down the positive square root of 81. The positive square root of 81 is 9.Write Negative Square Root: Since the square root symbol represents both the positive and negative roots, write down the negative square root of 81. The negative square root of 81 is -9.

Resources

Testimonials

Plans

Resources

Testimonials

Plans

AI tutor

Welcome to Bytelearn!

Let’s check out your problem:

What is $\sqrt{81}$ ? $\newline$ or

View step-by-step help

Full solution

Q. What is

\sqrt{81}

\newline

____ or ____

Identify Number: Identify the number whose square root is to be found. $\newline$ We need to find the square root of $81$ .
Recall Perfect Squares: Recall the perfect squares that are close to $81$ to determine its square root. $\newline$ $9 \times 9 = 81$ , so the square root of $81$ is $9$ .
Write Positive Square Root: Write down the positive square root of $81$ . The positive square root of $81$ is $9$ .
Write Negative Square Root: Since the square root symbol represents both the positive and negative roots, write down the negative square root of $81$ . The negative square root of $81$ is $-9$ .