The topics in this unit focus on understanding how to work with the quadratic equation and the discriminant. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Quadratic Discriminants - Value to Root Example

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Which roots would be valid for a quadratic function with this discriminant?

Δ=0\Delta = 0

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