1. Quadratic Equations & Square Roots
Chapter 4.5
Homework
p , 22-30
Quadratic Equations
& Square Roots
#30 While counting the digits,

2. To reduce a radical factor out the largest perfect square & simplify.
Simplifying Radicals
To reduce a radical factor out the largest perfect square & simplify.

3. Today we are going to look at how to simplify roots

4. Examples

5. Examples

6. Examples

7. Rationalizing the Denominator
It is improper to have a radical in the denominator of a fraction. If this happens multiply both the numerator & the denominator by the radical to eliminate the radical in the denominator.

8. Examples

9. We can use roots to help us solve

10. Radical Equations
Simplify until the square term is on one side and everything else is on the other. Take the square root of both sides then solve.

11. We can use roots to help us solve

12. We can use roots to help us solve

13. Assignment
p , 22-30