Facts about Square Roots

Facts about square roots

Simplify a Square Root Steps: Make a factor tree Look for pairs Circle on member of the pair Cross out the other member of the pair What is left over put in the box

Example:

How do you know if you are right? Square the outside and multiply by the inside

You Try

Check this out! We view the square root of two as a term like x So, if you have one square root of two and you add three square roots of two then you have four square roots of two

The Key is…. You must have the same value inside the square roots before you combine them Counter Example Do not combine. They are different!

When adding or subtracting Check first to see if they are simplified See if the terms inside the square root symbols are the same Combine only the same terms

You can do it! Practice