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Find the notecards with correct factors, solution

and trinomial

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Half: Create Trinomials expressions: Factor

Half: Create Trinomial equations: Solve

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Solving Quadratic Equations - Cool math Algebra Help Lessons - Solving Quadratic Equations by Factoring

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This algebra lesson explains how to solve quadratic equations by factoring.

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Solving Quadratic Equations - Cool math Algebra Help Lessons - Solving Quadratic Equations by Factoring

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This algebra lesson explains how to solve quadratic equations by factoring.

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1. Set trinomial equation to = 0

2. Factor Trinomial ==> (x + __)(x + __) = 0

3. Set EACH factor to equal zero

4. Solve each equation

5. Remember:

the degree of the polynomial = the number of solns

2nd degree ==> 2 Solutions

3rd degree ==> 3 solutions

NOTE: Video uses factor by grouping

(we'll do this for 9.3)

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Solving quadratic equations by factoring

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Sal solves the equation s^2-2s-35=0 by factoring the expression on the left as (s+5)(s-7) and finding the s-values that make each factor equal to zero.

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Cool math Algebra Help Lessons: Factoring Polynomials - Introduction to Trinomials

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This algebra lesson gives an introduction to trinomials.

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Cool math Algebra Help Lessons: Factoring Polynomials - Undoing the Distributive Property

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This algebra lesson explains how to undo the distributive property.

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Day 1: Steps to Factoring these trinomials

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Day 1: Steps to Factoring these trinomials

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1. Remember Ax^2 + Bx + C

2. List ALL of the factors of C (both pos and neg)

3. Determine which factors add/subract to make B

4. Create your factor parenthesis: ( )(  )

5. Plug your variables and factors, Remember your signs

6. Check the factors using multiplication

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Factoring quadratics as (x+a)(x+b) (example 2)

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Review 9.2: Factoring Using the Distributive Property 

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Review 9.2: Factoring Using the Distributive Property 

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A. Factoring out Monomials:

3x^2 - 12x ==> 3x(x - 4)

B. Factor By Grouping

2x^2 +6x - x - 3 ==> (2x -1)(x + 3)

C. Solving Polynomials by Factoring

(3x - 2) (x + 4) = 0, then x = 2/3, -4

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Sal factors 4x⁴y-8x³y-2x² as 2x²(2x²y-4xy) by taking the greatest common factor.

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A. Factor and Classify

12: 1, 2, 3, 4, 6, 12 so Composite

B. Prime Factorization

36a^4b^2c : 2*2*3*3aaaabbc

C. Find the GCF

36a^2b and 24a^4b^2.....

GCF is 12a^2b

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Sal finds the greatest common factor of 10cd^2 and 25c^3d^2.