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Factoring

Factoring. GPS Algebra Unit 4. GPS Standard. MM1A3. Students will solve simple equations. Solve quadratic equations in the form ax 2 + bx + c = 0, where a = 1, by using factorization and finding square roots where applicable. Day 1 Objective.

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Factoring

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  1. Factoring GPS Algebra Unit 4

  2. GPS Standard • MM1A3. Students will solve simple equations. • Solve quadratic equations in the form ax2+ bx+ c = 0, where a = 1, by using factorization and finding square roots where applicable.

  3. Day 1 Objective • Factor second degree polynomials (quadratic functions) using guess and check and “the big X”

  4. Recall • Multiplying binomials: (x+1)(x+2) = x2+3x+2

  5. Factoring • Multiplying binomials in reverse • Starting with a quadratic function, your goal is to find the two binomials that will multiply to give you back your original quadratic

  6. Guess and Check • Guess what binomials you think might work, then multiply them together to see if you get the right answer

  7. The BIG X c multiply X • ax2+ bx+ c v u b add =(x+u)(x+v)

  8. Practice multiply 4 X • x2+ 5x + 4 1 4 5 add =(x+4)(x+1)

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