Solve ax² + bx + c = 0, with the discriminant, the vertex and the nature of the roots.
The discriminant decides everything: positive gives two roots, zero gives one, negative gives none that are real.
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Solve ax² + bx + c = 0, with the discriminant, the vertex and the nature of the roots.
The discriminant decides everything: positive gives two roots, zero gives one, negative gives none that are real.