A25­4NotesPart2Spring16.notebook
February 04, 2016
Algebra 2
Ch.5 Notes Page 20
P20 5­4 Factoring Quadratic Expressions (Part 2)
Aug 19­6:20 AM
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 ­ 11x + 15
ac and b
­5 x ­6
Write 2 fractions
Leading Coefficient/Each Number
2/­5 and 2/­6 (Reduce the Fractions)
2/­5 and 1/­3 (Keep the Neg in the bottom)
(2x ­ 5)(1x ­ 3)
Feb 17­9:08 AM
1
A25­4NotesPart2Spring16.notebook
February 04, 2016
Factoring ­ (Opposite of Distributing)
ax2 + bx + c
Find two numbers that Add to b and Multiply to ac
2x2 + x ­ 28
ac and b
­7 x 8
Write 2 fractions
Leading Coefficient/Each Number
2/­7 and 2/8 (Reduce the Fractions)
2/­7 and 1/4 (Keep the Neg in the bottom)
(2x ­ 7)(1x + 4)
Feb 17­9:08 AM
Factoring ­ Examples
2x2 + 5x + 2
6x2 + 23x + 7
Feb 17­9:08 AM
2
A25­4NotesPart2Spring16.notebook
February 04, 2016
No Extra Homework on this Section...
Aug 19­6:25 AM
3