1. R a d i c a l U n i t Square Roots of Prefect Squares Medina1

2. R a d i c a l U n i t Radical: Radicand: Index: Medina2 64 The number inside the radical symbol Identifies the root of the radical symbol ²

3. R a d i c a l U n i t Medina3 ³ Square RootCube Root 8 The number being multiplied to itself to get the radicand The number being multiplied to itself 3 times to get the radicand 4 Ask yourself, what times it self equals 64? Ask yourself, what number times itself 3 times equals 64?

4. R a d i c a l U n i t Positive Root Negative Root: Positive & Negative Roots: Undefined Root: Medina 4 8 -8 ± 8

5. R a d i c a l U n i t Medina5

6. R a d i c a l U n i t Medina6 12

7. R a d i c a l U n i t x x =x² What is the value of ? Ask yourself, what times it self equals x²?

8. R a d i c a l U n i t What is the value of ? Another way to look at this is to expand the radicand, and for every set of 2 inside the radical, one term comes out.

9. R a d i c a l U n i t What is the value of ? Another way to look at this is to expand the radicand, and for every set of 2 inside the radical, one term comes out.

10. Solving Equations with Perfect Squares Medina10 To Solve: Means there are 2 answers

11. Solve: Medina11 3. Simplify the radical 1. Get the letter by itself 2. Square root both sides and write ± variable Solving Equations with Perfect Squares

12. Medina12 To Solve: Means there are 2 answers