Discriminant and Quadratic Equations

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A Level Maths
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Examples, solutions, videos, activities and worksheets that are suitable for A Level Maths to help students learn how to use the discriminant.

The following diagram shows how the discriminant of a quadratic equation tells what types of roots the equation has. Scroll down the page for more examples and solutions on how to use the discriminant.

Core 1 - Quadratic Functions (4) - The Discriminant - nature of roots

Discriminant Exam Style Question

A-Level Maths : Roots of a Quadratic Equation : Discriminant

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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