Solve Quadratic Inequalities - Grade 11

In this video, quadratic inequalities are solved using the discriminant, and test values, and also a graphical method is suggested. The algebraic method suggested does not need factoring as sometimes it is not easy to do. Examples with the discriminant positive, negative, and equal to zero are presented with their graphical interpretation included. More at https://www.analyzemath.com/high_school_math/grade_11/grade-11-practice.html More math videos at https://www.analyzemath.com/math-videos.html. More math problems with solutions at https://www.analyzemath.com More grade 12 math practice at https://www.analyzemath.com/high_school_math/grade_12/grade-12-practice.html Subscribe to my channel to get more videos on math for all levels https://www.youtube.com/channel/UC2cmvDflm86w7C_D7QmcOVA? sub_confirmation=1