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Published byMabel Wood Modified over 6 years ago

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13-4 The Quadratic Formula Standard 8.0

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Quadratic Formula There once a negative boy who was all mixed up so he went to this radical party. Because the boy was square, he lost out on 4 awesome chicks so he cried his way home when it was all over at 2 AM.

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Quadratic Formula IF THEN

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Proving the Quadratic Formula Solve by completing the square

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#1 Solve using the quadratic formula.

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#2 Solve using the quadratic formula

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Solve using the quadratic formula 3. 4. 5.

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#3 Solve using the quadratic formula

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#4 Solve using the quadratic formula

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#5 Solve using the quadratic formula

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The Discriminant Discriminant In the quadratic formula, the expression underneath the radical that describes the nature of the roots.

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Understanding the discriminant Discriminant # of real roots 2 real roots 1 real roots No real roots

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#6 Using the discriminant

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#7 Using the discriminant

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Using the discriminant 8. 9.

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#8 Using the discriminant

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#9 Using the discriminant

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