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9-6 The Quadratic Formula and the Discriminant

Learn how to use the Quadratic Formula and Discriminant to find solutions of quadratic equations. Understand when equations have real number solutions.

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9-6 The Quadratic Formula and the Discriminant

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  1. 9-6 The Quadratic Formula and the Discriminant

  2. The Quadratic Formula Formula if :

  3. Problem 1: Using the Quadratic Formula What are the solutions of ? Use the Quadratic Formula.

  4. What are the solutions of ? Use the Quadratic Formula.

  5. Using the Discriminant The discriminant is the expression under the radical sign in the quadratic formula This part right here

  6. Problem 4: Using the Discriminant How many real number solutions does this equation have?

  7. How many real number solutions does this equation have?

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