8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
3/4: Warm Up
1. What is the degree?
a) 6x2
b)
­x3y3
2. What is the sum or difference?
a) 3 + 5x2 + 4x2
b)
(­7x3 + 5x2 ­ x + 6) ­ (­8x3 + x2 + 3)
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8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
8.2: Multiplying & Factoring
Date: 3/4
Distributive Property:
Ex 1). What is the simplified form of each of the following:
a) 3x(2x + 6)
b) x2(3x3 – 2x2 + 8)
c) 2x2(x3 – 4x2 + 1)
d) ­5x(3x3 – x2 + 8)
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8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
Factoring: reverses the multiplication process. First step, find the
____________ ____________ _____________ ( _____ ) of the polynomial’s
terms.
Ex 2). What is the GCF of the terms:
a) 6x3 + 12x2 + 18x
b) 3x4 – 9x2 – 12x
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8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
Ex 3). What is the factored form of:
a) 6x3 – 15x2 + 12x
b) 9x6 + 15x4 + 12x2
c) ­6x4 – 18x3 – 12x2
d) ­4x5 – 24x3 + 8x
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8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
Ex 4). A circle with radius r is cut from a square that has side length 3r.
Write an expression in factored from for the shaded area.
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8.2 ­ Multiplying and Factoring.notebook
March 04, 2016
Homework:
pg. 494 #1 – 7, 10 – 26(e), 30 – 34(e), 38
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