1. Warm up 1. Factor 2. Find an expression for one side of a square if the Area is x 2 + 12x + 36. a) x 2 + 2x - 24 b) x 2 + x - 30

2. CCGPS Geometry 02/24/2014 UNIT QUESTION: How are real life scenarios represented by quadratic functions? Today’s Question: How do we factor a quadratic when a is not 1? Standard: MCC9-12.A.SSE.3a

3. Last Term POSITIVE

4. x 2 + 9x + 14 For polynomials, how is factoring related to multiplying? ( )( ) xx + 2+ 7 x 2 + 9x + 14

5. 2x 2 – 5x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 2xx – 1– 3 2x 2 – 5x + 3

6. 5x 2 + 11x + 2 For polynomials, how is factoring related to multiplying? ( )( ) 5xx + 2 + 1 5x 2 + 11x + 2

7. 6x 2 – 11x + 3 For polynomials, how is factoring related to multiplying? ( )( ) 2x3x – 1 – 3 6x 2 – 11x + 3

8. 3x 2 – 10x + 3 For polynomials, how is factoring related to multiplying? 2x 2 – 7x + 5 (3x – 1)(x – 3) (2x – 5)(x – 1)

9. 3x 2 – 8x + 4 For polynomials, how is factoring related to multiplying? 2x 2 – 11x + 9 (3x – 2)(x – 2) (2x – 9)(x – 1)

10. Sometimes you can factor out a GCF 1 st !

11. 14x 2 – 32x + 18 For polynomials, how is factoring related to multiplying? 2( )( ) 7xx – 1– 9 2(7x 2 – 16x + 9)

12. 2y 2 – 17y + 35 For polynomials, how is factoring related to multiplying? 6x 2 – 21x + 15 (2y – 7)(y – 5) 3(x – 1)(2x – 5)

13. 4x 2 – 15x + 9 For polynomials, how is factoring related to multiplying? 3x 2 + 17x + 20 (4x – 3)(x – 3) (3x + 5)(x + 4)

14. 7x 2 – 45x + 18 For polynomials, how is factoring related to multiplying? 4x 2 - 22x + 10 (7x - 3)(x – 6) 2(2x - 1)(x - 5)

15. Home Work Practice Worksheet