1. Fricovsky
4.5: Do Now: Simplify. 1

2. Academy Algebra II
4.5: Solve quadratic equations by finding the square root.
HW: p.269 (4-18 even)
Test : Friday, Oct. 3rd
(Tutorial: next week Tues and Thurs)

3. Product and Quotient Property
Fricovsky
Product and Quotient Property
Product Property
Quotient Property

4. Ex of the Product & Quotient Property
Fricovsky
Ex of the Product & Quotient Property
Simplify the following:

5. Rationalizing the Denominator
Fricovsky
Rationalizing the Denominator
Can never have a radical in the denominator of a fraction.
 You must rationalize the denominator.

6. Examples of Rationalizing the Denominator

7. Conjugates The conjugate of
We can use conjugates to simplify expressions (by rationalizing the denominator) like:
Multiply the numerator and denominator by the conjugate of the denominator.

8. Simplify by rationalizing the denominator:
1.)

9. Academy Algebra II
4.5: Solve quadratic equations by finding the square root.
HW: p.270 (22-34 even)
Test : Friday, Oct. 3rd
(Tutorial: next week Tues and Thurs)

10. Simplify by rationalizing the denominator:
2.)

11. Solving Quadratic Equations
Fricovsky
Solving Quadratic Equations
Solve:
(Take square root of both sides)

12. Solving Quadratic Equations
Fricovsky
Solve:
1.) 2.)

13. Solving Quadratic Equations
Fricovsky
Solving Quadratic Equations
Solve:
3.)
4.) 13

14. Solving Quadratic Equations
Fricovsky
Solving Quadratic Equations
Solve:
5.) 14

15. Solving Quadratic Equations
Fricovsky
Solving Quadratic Equations
Solve:
6.) 15