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Discriminants (Posted on 2005-05-24) Difficulty: 2 of 5
Consider a quadratic equation with integer coefficients.
Is every integer a possible discriminant?

Prove it.

See The Solution Submitted by Jer    
Rating: 3.5000 (4 votes)

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Solution Solution (no explanation given) | Comment 1 of 7
You cannot find integer a, b, and c, so bē-4ac=-17.
  Posted by Old Original Oskar! on 2005-05-24 14:11:21
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