Unit 2 Polynomials 2016.notebook• Identify and factor the
difference of two perfect squares.
Agenda ­ Lesson 2.8 1) Turn in CR 2.1 2) Today: Factoring GCF and DOTS
Unit 2 Polynomials 2016.notebook
What is a factor
Students can factor using a GCF , and identify the difference of two squares. (DOTS)
The numbers that are multiplied together are called
factors of the final number.
What is a factor?
Unit 2 Polynomials 2016.notebook
Factors
Students can factor using a GCF , and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
factor.
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Greatest Common Factor
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
Try factoring these examples using a GCF: 1. 28y2 - 4y =
2. 7x3 + 10x2 =
3. 12x3y4 - 39 x4y3 =
4. 5x + 7x2 + 9x4 =
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
Factoring the Difference of 2 Perfect Squares (DOTS)
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
DOTS
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Tap box to reveal answer.
Unit 2 Polynomials 2016.notebook
1.  y2 ­ 16
2.  25c2 ­ 1
3.  4x4 ­ 81  
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
1. x2 - 100 =
2. 9 - 25y2 =
3. 16x2 - 1 =
4. x6 - y10 =
5. 49x2 - 64y2 =
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
4x2 ­ 16 GCF DOTS
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Can you factor this binomial?
Unit 2 Polynomials 2016.notebook
Can you factor ?
Students can factor using a GCF, and identify the difference of two squares. (DOTS)
Unit 2 Polynomials 2016.notebook
p. 142 #1- 13 odd
 HW GCF/DOTS answers
Metacognitive Skills Survey:
Unit 2- Polynomials
Metacognitive skills refer to the ability to judge how well you have learned something and to effectively direct your own learning and studying. This is a self-evaluation tool designed to help you focus your studying and to improve your metacognitive skills with regard to Intermediate Algebra HVCC.
Use the scale below to assign a number to each topic:
1 = I know I don’t understand how to do these problems.
2 = I understand how to do the problems in this category, yet make a few mistakes.
3 = I am confident I can do any problems in this category correctly.
Topic or Skill
I can add & subtract polynomials.
I can simplify a power to a power.
I can multiply a binomial by a binomial.
I can factor with a GCF.
I can factor the difference of two perfect squares.
I can factor trinomials.
I can factor completely.
SMART Notebook
2.1
2.2
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