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Notes #___ 8.4 The Quadratic Formula

Notes #___ 8.4 The Quadratic Formula. Quadratic Formula. For any quadratic equation:. Vocabulary. discriminant : b 2 – 4 ac determines the type and number of roots of a quadratic equation. Ex 1. Find the discriminant and describe the number and type of roots. Ex 2.

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Notes #___ 8.4 The Quadratic Formula

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  1. Notes #___8.4The Quadratic Formula

  2. Quadratic Formula For any quadratic equation:

  3. Vocabulary discriminant:b2 – 4ac determines the type and number of roots of a quadratic equation

  4. Ex 1 Find the discriminant and describe the number and type of roots.

  5. Ex 2 Find the discriminant and describe the number and type of roots.

  6. Ex 3 Find the discriminant and describe the number and type of roots.

  7. Ex 4 Find the discriminant and describe the number and type of roots.

  8. Steps to Solving • Set equation equal to zero • Identify a, b & c • Plug in all known values in the QF • Simplify (PEMDAS) & solve for the variable • Check your solution(s)

  9. Ex 5 Solve

  10. Ex 6 Solve

  11. Ex 7 Solve

  12. Ex 8 Solve

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