1. Lesson 8­3.notebook
Assignment:
1­­>L8.3, pg. 489, #2 ­ 28 (evens) ­ Due Tomorrow [2/4]
2­­>Test signed?
***Baby Pics??
February 03, 2014

2. Lesson 8­3.notebook
February 03, 2014
Lesson 8.3 WarmUp:
Factor each monomial completely.
1) 16x3y2
2)
­20m5n2
Find the GCF of each set of monomials.
3) 10a ­
20a2 ­
25a
4)
13c ­
25d ­
5)
21ab ­
35a ­
56ab3

3. Lesson 8­3.notebook
February 03, 2014
Lesson 8.3:
*To factor trinomials in the form of x2 + bx + c, find 2 integers with a
sum of b and a product of c.
ex ­­>x2 + 6x + 8
factors
sum of factors

4. Lesson 8­3.notebook
February 03, 2014
*A quadratic equation is: ax2 + bx + c = 0 and can be solved
by factoring and then using the zero property.
ex ­­>
factors
sum of factors
x2 + 6x = 27

5. Lesson 8­3.notebook
Lesson 8.3 examples:
Factor each polynomial.
A) x2 + 14x + 24
B)
x2 + 4x ­ 21
February 03, 2014

6. Lesson 8­3.notebook
February 03, 2014
C)
x2 + 8x ­ 48
D)
x2 ­ 17x + 72

7. Lesson 8­3.notebook
E)
February 03, 2014
­42 ­ x + x2

8. Lesson 8­3.notebook
Solve each equation. Check your solutions.
F) x2 + x = 20
G)
x2 + 56 = ­18x
February 03, 2014