Algebra 2

Factoring Polynomials by Grouping

Multiple Choice

Which of the following represents the factors of 18?

• 1, 18

• 1, 2, 3, 6, 9, 18

• 18, 36, 54, 72, 90

• No Factors

Multiple Choice

Which of the following represents the factors of 36?

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 36, 72, 108, 144

• No Factors

• 36, 0, -36, -72, -108, -144

​

​ What is the Greatest Common Factor (GFC)?

​What does it mean when you have something in common?

Greatest Common Factor

Definition : The biggest number that is a factor of each number!

Poll

Which of the following do you think is the GCF of

$$12x^3+3x^2$$  

• $$3x$$  

• 3

• $$3x^2$$  

Multiple Choice

What is the GCF of this expression:

$$10x^2-5$$  

• 10

• x

• 5