Quadratic Inequalities - Lumos Educational App Store

A power learning aid combining Practice, Coaching Calculators and Guides to help students master the solving of quadratic inequalities by sketching associated graphs. Coaching Calculators cover : Solving quadratic inequalities - by sketching associated graph The Guide covers : - Writing in general form - Finding the graph shape - Finding the x-intercept(s) if any - Sketching the graph - Finding the solution by inspection Examples cover major types of quadratic inequalities and feature the finding of x-intercepts by factoring, completing the square and the quadratic formula. The app also includes Guides and Coaching Calculators for finding the vertex of a quadratic graph : - by completing the square