Understanding Square Roots

This video tutorial explains the concept of square roots using a square with an area of 25 cm². It covers both positive and negative square roots, introduces the square root symbol (radical), and discusses square roots of non-perfect squares, which are often irrational numbers. The video also demonstrates how to use a calculator to find square roots and provides practice questions for viewers to solve.

What is a square root?

Can you explain why both 5 and -5 are square roots of 25?

What does the symbol called a radical represent?

What is an irrational number in the context of square roots?

How can you find the square root of any number using a calculator?