21+-+Sec.+9.1

By: Megan Pozda & Amanda Dooley


 * __ 9 . 1 S q u a r e R o o t s a n d t h e P y t h a g o r e a n T h e o r e m __ **


 * Main Idea-** All positive real numbers have two square roots; one is the negative square root and the other one is the negative square root.

square roots and the pythagorean theorem



EXAMPLE 1:



Practice Problems

1) Simplify: 2)