Wikipedia is a multilingual project to create a complete and accurate open content encyclopedia. We started in January 2001 and are currently working on 0 articles in the English version. Visit the help page and experiment in the sandbox to learn how you can edit any article.
... \sqrt {b^2-4ac}}{2a}
</math>
The term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively ...