Stage 23 · Quadratic Functions · 23.5All lessons →
Stage 23 · Quadratic Functions

23.5 Quadratic Function × Equation × Inequality

Connect the parabola's relationship with the x-axis to the roots of a quadratic equation and the solution set of a quadratic inequality.

5 knowledge points
Knowledge point pages
23.5.1 Where the Parabola Meets the x-axis23.5.2 The Discriminant Counts the Crossings23.5.3 Solving a Quadratic Equation from the Graph23.5.4 Solving a Quadratic Inequality from the Graph23.5.5 One Unified View of the Three
eastmath.com · 23.5 Quadratic Function × Equation × Inequality