TODAY IN ALGEBRA…Warm up: Find products of special

polynomials

Learning Target: 9.5 You will factor trinomials

Independent Practice

HW #4 Due Today!

CH. 9 TEST MONDAY/TUESDAY!

WARM UP: Solve the equation.

1.

2.

9.5 FACTOR

REMEMBER: Find the product of

Using Distribution:

We are now going to go in reverse! I’ll give you the polynomial and you will give me the factored form .

(𝒙+𝟒)

9.5 FACTOR

EXAMPLE 1: Factor

EXAMPLE 2: Factor

Factors of 18 Sum of factors

(𝑥+2)(𝑥+9)

Factors of 8 Sum of factors

(𝑛−2)(𝑛−4)

9.5 FACTOR EXAMPLE 3: Factor

EXAMPLE 4: Factor

Factors of -15 Sum of factors

(𝑦−3)(𝑦+5)

Factors of -20 Sum of factors

(𝑚−4)(𝑚+5)

9.5 FACTOR PRACTICE: Factor the following trinomials.1. 2.

Factors of -16Factors of 12 Sum of factors

(𝑡−2)(𝑡−6)

Sum of factors

(𝑤−2)(𝑤+8)

9.5 FACTOR

EXAMPLE: Solve the equation .

Move all terms to one side

Factor:Factors of -18 Sum

(𝑥−3 ) (𝑥+6 )=0

9.5 FACTOR

PRACTICE: Solve the equation .

Move all terms to one side

FactorFactors of -24 Sum

(𝑥+4 ) (𝑥−6 )=0

HOMEWORK #5:

Pg. 586: 4-36 even, 48

If finished, work on other assignments:

HW #1: Pg. 557: 4-34 evenHW #2: Pg. 565: 4-26 even, 34, 36, 38, 46HW #3: Pg. 572: 4-34 evenHW #4: Pg. 578: 4-38 even, 44