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Finding Discriminants of Quadratic Polynomials

Find the discriminants of the following quadratic polynomials. You may use the TAB key to move to the next question. When you are done, click Submit.

  1. \(-8x^2 + 6x + 7\) :
  2. \(5x^2 - 2x + 7\) :
  3. \(-3x^2 - 2x + 1\) :
  4. \(8x^2 - 6x - 3\) :
  5. \(8x^2 + 5x - 9\) :
  6. \(-4x^2 + 3x - 8\) :
  7. \(-9x^2 + x - 1\) :
  8. \(8x^2 + 6x - 9\) :
  9. \(x^2 + 5x - 6\) :
  10. \(2x^2 + 9x + 9\) :

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