Warm-up Factor 1. x2 + 8x + 12 = (x + 6)(x + 2) 2. x2 + 8x – 48

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Presentation transcript:

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

Homework Review

Skills Check

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

Factoring Trinomials (Negative or Positive)

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

For polynomials, how is factoring related to multiplying? x2 - 6x + 5 ( )( ) x x - 1 - 5 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

For polynomials, how is factoring related to multiplying? x2 + 9x + 18 ( )( ) x x + 3 + 6 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

For polynomials, how is factoring related to multiplying? x2 – 6x + 9 ( )( ) x x – 3 – 3 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

For polynomials, how is factoring related to multiplying? x2 + 5x + 4 ( )( ) x x + 1 + 4 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

For polynomials, how is factoring related to multiplying? x2 + 9x + 20 ( )( ) x x + 5 + 4 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

For polynomials, how is factoring related to multiplying? x2 + 12x + 36 ( )( ) x x + 6 + 6 For polynomials, how is factoring related to multiplying? 8/6/2019 Day 30 & 31

Factor Completely Remember to ALWAYS check for GCF

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?

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