Quadratic Formula, Discriminant, and Inequalities
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- Intro to the Quadratic Formula
- Intro to Discriminants: When Do Quadratics Have Real Roots?
- Number of Real Solutions, in Terms of Quadratic Discriminant
- Link to Quadratics with Negative Discriminant
- Quadratic Inequality P≥0 or P>0 When P Has 2 or 1 Real Roots
- Recap: x^2≥0 for All Real x (Trivial Inequality)
- Quadratic Inequality P≥0 or P>0 When P Has 0 or 1 Real Roots
- Solving Real Quadratic Inequalities P≥Q or P>Q