1. Warm-up Factor 1. x2 + 8x + 12 = (x + 6)(x + 2) 2. x2 + 8x – 48
Multiply
5. (x + 4)(x - 8)
6. (x + 5)(x - 5)
= x2 – 4x – 32
= x2 – 25

2. Homework Review

3. Skills Check

4. How do we factor trinomials?
UNIT QUESTION: In what ways can algebraic methods be used in problems solving?
Standard: MM1A2
Today’s Question:
How do we factor trinomials?
Standard: MM1A2f

5. Factoring Trinomials (Negative or Positive)

6. For polynomials, how is factoring related to multiplying?
x2 - x - 6
( )( ) x x
- 3
+ 2
For polynomials, how is factoring related to multiplying?

7. For polynomials, how is factoring related to multiplying?
x2 - 6x + 5
( )( ) x x
- 1
- 5
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

8. For polynomials, how is factoring related to multiplying?
x2 + 9x + 18
( )( ) x x
+ 3
+ 6
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

9. For polynomials, how is factoring related to multiplying?
x2 – 6x + 9
( )( ) x x
– 3
– 3
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

10. For polynomials, how is factoring related to multiplying?
x2 + 5x + 4
( )( ) x x
+ 1
+ 4
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

11. For polynomials, how is factoring related to multiplying?
x2 + 9x + 20
( )( ) x x
+ 5
+ 4
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

12. For polynomials, how is factoring related to multiplying?
x2 + 12x + 36
( )( ) x x
+ 6
+ 6
For polynomials, how is factoring related to multiplying?
8/6/ Day 30 & 31

13. Factor Completely
Remember to ALWAYS
check for
GCF

14. For polynomials, how is factoring related to multiplying?
3x2 – 21x + 30
3(x2 – 7x +10)
3(x – 2)(x – 5)
For polynomials, how is factoring related to multiplying?

15. Classwork/Homework GCF Factor Trinomial – Last term Positive
Trinomial – Last term Negative
GCF then Trinomial Factor