1. Lesson 8­6.notebook
February 14, 2014
Assignment:
1­­>L8.6, #16 ­ 40 [evens] ­ Due Monday [2/17]
2­­>Checkpoint 8.5­8.6 ­ Due Monday [2/17]
2­­>Chapter 8 Test ­ Tuesday [2/18]

2. Lesson 8­6.notebook
Lesson 8.6 WarmUp:
Factor each polynomial completely.
1) x2 + 16x + 63
2)
x2 + 3x ­ 40
3)
3x2 ­ 11x ­ 20
4)
2x2 + 19x + 24
5)
2x2 + 22x + 56
February 14, 2014

3. Lesson 8­6.notebook
February 14, 2014
Lesson 8.6:
*Remember these:
(a + b)2 =
(a ­ b)2 =
**These products are called "perfect square trinomials" ­ b/c they are
the squares of binomials.
ex ­­>16x2 + 24x + 9

4. Lesson 8­6.notebook
February 14, 2014
*Follow these steps when factoring any polynomials...
­­Factor out the GCF (if it is greater than 1)
­­Check for a "difference of 2 squares" or a "perfect square
trinomial"
­­Apply the factoring steps for x2 + bx + c; or ax2 + bx + c; or
factoring by grouping

5. Lesson 8­6.notebook
February 14, 2014
Lesson 8.6 examples:
Factor each polynomial, if possible. If the polynomial cannot be
factored, write prime.
A)
25x2 + 60x + 36
B)
81x2 ­ 90x + 25
C)
4x2 + 64

6. Lesson 8­6.notebook
February 14, 2014
D)
12x2 ­ 84x + 147
E)
8y2 ­ 200z2
F)
8x2 + 10x ­ 21

7. Lesson 8­6.notebook
Solve each equation. Check the solutions.
G) 4m2 ­ 24m + 36 = 0
H) 4x2 = 80x ­ 400
February 14, 2014