1. Warm up Graph 1. y = 3x² - 6x + 1 2. y = -x² + 2x – 1
Write an equation of the parabola passing through the given points
3. Vertex of ( 3, 4) and the point (1,1)
4. Vertex of (-2, 3) and the point (0,4)
Find the vertex and y-int
5. y= 24(x + 5.5)

2. Write each function in vertex form
y= x² + 2x + 5
y=-5x² + 12
y= -2x² + 8x + 3

3. Factor
1. x² + 5x – 14
2. 4x² - 12x
3. 9x² - 16
Write each quadratic in standard form
4. y = 8 – 10x²
5. y = (x + 2)² - 1
6. y = (3x)² - (x-1)²

4. L5-4 Obj: Find a common factor and binomial factors of quadratic expressions
Factoring is rewriting an expression as the product of its factors.

5. Ex 1: find common factors
A. 4x² + 20x – 12
B. 9n² - 24n

6. Practice (on your white boards)
Factor each expression
1. 9x² + 3x – 18
2. 7p² + 21
3. 4w² + 2w

7. factor x² + 8x + 7
factor x² + 6x + 8
factor x² - 17x + 72

8. Practice Factor 1. x² + 12x + 32 2. x² + 14x + 40 3. x² - 6x + 8

9. Ex 5: factor 3x² - 16x + 5

10. Ex 6: factor 6x² - 31x + 35

11. Practice Factor 1. 2x² + 11x + 12 2. 4x² + 7x + 3 3. 2x² - 7x + 6

12. L5-5 Objective: Students will solve quadratics by factoring

14. Practice 1. 2.
3. 3x² - 20x – 7 = 0

15. 5x² = 0
3x² = 24
x² - ¼ = 0
4x² - 25 = 0
L5.4 (p 267) #1-28t, 36-45all
L5-5 (p 274) #1-16T #36-51T