2. Objective: SWBAT… Factor perfect square trinomials and the difference of two squares Bell Ringer: Explain the rule for simplifying like terms when you are adding and subtracting polynomials. 5 minutes 4 minutes 3 minutes 2 minutes 1 minute 30 seconds TIMES UP!!! Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.

3. Examples For every real number a and b a 2 + 2ab + b 2 = (a+b)(a+b) =(a+b) 2 a 2 - 2ab + b 2 = (a-b)(a-b) =(a-b) 2 Perfect Square Trinomial A. x 2 + 8x + 16 = (x+4)(x+4) = (x+4) 2 B. 4n 2 – 12n +9 = (2n-3)(2n-3) = (2n-3) 2 Objective: SWBAT… Factor perfect square trinomials and the difference of two squares Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.

4. Factoring the difference of two squares: 1. The first and last terms are perfect squares How do you recognize a Perfect Square Trinomial? a 2 -b 2 = (a+b) (a-b) x 2 -64 = (x-8)(x+8) Objective: SWBAT… Factor perfect square trinomials and the difference of two squares 2. The middle term is twice the product of one factor from the first term and one factor from the last term For al real numbers a and b Example Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.

5. Factor the following: 9x 2 - 49 = (9x + 7)(9x-7) Describe and correct the error made in factoring: Objective: SWBAT… Factor perfect square trinomials and the difference of two squares 1. x 2 -14x + 49 2. s 2 -16 3. 12x 2 – 12x + 3 Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.

6. Describe what perfect square is, in your own word, and explain why it would be helpful to know when factoring. Reflection Objective: SWBAT… Factor perfect square trinomials and the difference of two squares Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.

7. Remove everything from your desk except a pen or pencil QUIZ!!! 5 – 10 minutes Objective: SWBAT… Factor perfect square trinomials and the difference of two squares Homework: 1. Write out all the perfect squares with factors from 1 to 15. Example: 1*1 = 1, 2*2=4, 15*15=? 2. Know all of these perfect squares and be prepared for a quiz on Thursday.