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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

Warm-up:

Factor.


2 3 zeros of quadratic functions and models p 178

2.3 Zeros of Quadratic Functions and Models (p.178)

  • Find zeros by

    • Factoring

    • Quadratic formula


A finding zeros

A. Finding Zeros

1.) What are zeros?

2.) by factoring


A finding zeros1

A. Finding Zeros

3.) by quadratic formula


A finding zeros2

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


A finding zeros3

A. Finding Zeros

3.) by quadratic formula, sometimes you will find NO REAL solutions.


You try it

You try it!


A little different might need substitution

A little different… might need substitution


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