discriminant   2 videos

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  The Discriminant

  Algebra Quadratic Equations and Functions

  How to calculate and interpret the discriminant of a quadratic equation.

  discriminant x intercepts number of solutions
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  Graphing Quadratic Equations

  Algebra Quadratic Equations and Functions

  How to graph a quadratic equation by hand.

  x intercepts y intercepts vertex axis of symmetry discriminant substitute