How to Find Square Roots

This video tutorial covers the basics of square roots, including their definition, properties, and relationship with squares. It explains the concept of positive and negative roots, as well as imaginary numbers. The tutorial includes practice problems to reinforce understanding and demonstrates how to use square roots to solve equations. The video concludes with a summary and a preview of future lessons on approximating non-perfect squares.

What is the term for the number under the square root symbol?

• Radical

• Radicand

• Exponent

• Base

Which of the following is a perfect square?

• 16

• 20

• 18

• 15

What is the square root of 9?

• 5

• 4

• 3

• 2

How can the square root of a number be expressed using exponents?

• Exponent of 1/2

• Exponent of 3

• Exponent of 1

• Exponent of 2

What is the square root of a negative number called?

• Real number

• Imaginary number

• Complex number

• Rational number

What are the square roots of 81?

• 9 and -9

• 6 and -6

• 8 and -8

• 7 and -7

What is the positive square root of 4/9?

• 3/4

• 4/5

• 2/3

• 1/2

In the order of operations, where do square roots fall?

• Before parentheses

• After exponents

• After addition

• Before multiplication

If the area of a square is 121 square inches, what is the length of one side?

• 12 inches

• 11 inches

• 10 inches

• 13 inches

What is the side length of a square with an area of 144 square centimeters?

• 13 cm

• 12 cm

• 11 cm

• 10 cm