Factor a difference of squares.

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Presentation transcript:

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)