Factoring Quadratic Expression Today’s Objective: I can factor a quadratic expression.

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Factoring Quadratic Equations

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Presentation transcript:

Factoring Quadratic Expression Today’s Objective: I can factor a quadratic expression.

In a game, you see the two cards shown. You get two other cards with numbers. You win if: 1.the product of your two cards equals the number on one card shown AND 2.the sum of your two numbers equals then number on the other card shown. What should your two cards be for you to win the game. Explain. Factors: numbers/expressions that have a product equal to the given number/expression

First Outer Inner Last Multiplying Binomial factors: Factors of c (20): Add to b (9) Factors of c (-15): Add to b (2) Tips c is negative factors are opposite b is positive larger factor is positive FOILFOIL Factors: numbers/expressions that have a product equal to the given number/expression

Factoring common factors Factors of ac (24): Add to b (11)

Factors of ac (-60): Add to b (-11) Factors of ac (-12): Add to b (-4) p. 221:14-54 evens