5­4 Day 2 Factoring 2010
November 23, 2010
5­4 Day 2
ax2 + bx + c
Objective
Factor trinomials
where a≠1.
Dec 9­6:10 AM
1
5­4 Day 2 Factoring 2010
November 23, 2010
Review
Factor: m2 + 10m ­ 24
Dec 9­6:37 AM
2
5­4 Day 2 Factoring 2010
New Stuff
November 23, 2010
Factor: 6n2 + 23n + 7
Step 1: Multiply your a value and your c value.
Step 2: Find the factors of this new value that add up to your b value.
Step 3: Use the method your teacher shows you to finish up the process!
(2n + 7)(3n + 1)
Dec 9­6:40 AM
3
5­4 Day 2 Factoring 2010
November 23, 2010
Factor: 7x2 ­ 26x ­ 8
Step 1: Multiply your a value and your c value.
Step 2: Find the factors of this new value that add up to your b value.
Step 3: Use the method your teacher shows you to finish up the process!
(x ­ 4)(7x + 2)
Dec 9­7:15 AM
4
5­4 Day 2 Factoring 2010
November 23, 2010
Try Another!
2x2 + x ­ 3
Dec 9­7:18 AM
5
5­4 Day 2 Factoring 2010
November 23, 2010
5x2 ­ 14x ­ 3
Dec 9­7:20 AM
6
5­4 Day 2 Factoring 2010
November 23, 2010
YOUR TURN!
(Homework)(p. 263 # 25 ­ 36)
If you finish early, try these:
# 72 ­ 78
Dec 9­7:20 AM
7