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Warm-up:

Warm-up:. Factor. 2.3 Zeros of Quadratic Functions and Models (p.178). Find zeros by Factoring Quadratic formula. A. Finding Zeros. 1.) What are zeros? 2.) by factoring. A. Finding Zeros. 3.) by quadratic formula. A. Finding Zeros. 3.) by quadratic formula STEPS: 1.)set egn. to 0

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Warm-up:

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  1. Warm-up: Factor.

  2. 2.3 Zeros of Quadratic Functions and Models (p.178) • Find zeros by • Factoring • Quadratic formula

  3. A. Finding Zeros 1.) What are zeros? 2.) by factoring

  4. A. Finding Zeros 3.) by quadratic formula

  5. A. Finding Zeros 3.) by quadratic formula STEPS: 1.)set egn. to 0 2.) factor? If no, Id. a,b,c 3.)Substitute into formula

  6. A. Finding Zeros 3.) by quadratic formula, sometimes you will find NO REAL solutions.

  7. You try it!

  8. A little different… might need substitution

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