1. Factoring Quadratic Expressions ax 2 + bx + c “SPLITTING THE MIDDLE” Feb. 27, 2014

2. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 WARM – UP The area of the rectangle is represented by the polynomial x 2 + 8x + 7. Find the binomials that could represent the length and width of the rectangle. A = x 2 + 8x + 7

3. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 y = ax 2 + bx + c The “a” value is called the leading coefficient. It is always the coefficient of the x 2 term.

4. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 Factor by Grouping – Splitting the Middle Example 1: Factor 6x 2 + 19x + 10

5. SWBAT Factoring Quadratic Expressions in Standard Form a> 1

6. Example 2: Factor 5x 2 + 2x - 3 -15 2 5 -3 5x 2 + 5x – 3x - 3 (5x -3)(x + 1)

7. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 Example 3: Factor 5x 2 – 11x + 2

8. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 Practice : Factor the following 1.4x 2 + 8x + 3 2. 3x 2 – 8x – 3 3. 6x 2 – 7x + 24. 12x 2 + 8x - 15

9. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 Summary

10. SWBAT Factoring Quadratic Expressions in Standard Form a> 1 HW p. 26-27/ # 1-16 EXIT TICKET Factor using “splitting the middle” method 2x 2 + 5 + 11x