Factor a difference of squares. 8.5 Factoring a Difference of Squares Objective The student will be able to: Factor a difference of squares.
Factoring Chart This chart will help you to determine which method of factoring to use. Type Number of Terms 1. GCF 2 or more 2. Grouping 4 Quadratic 3 Trinomials
Ex 1) Factor completely: x2 – 16
Ex 2) Factor completely: 4x2 – 9
Difference of Squares:
Ex 3) Factor completely: 25x2 – 64
Ex 4) Factor completely: 81x2 – 49y2
Ex 5) Factor completely: x4 – 9y2
8.5 HW pg. 502 #15 – 35 Odds, (11 problems)