Quadratic inequalities

3 videos
Learn how to solve inequalities that contain quadratic expressions. For instance, solve x^2+3x+2>0.

Quadratic inequalities

VIDEO 7:41 minutes
Sal solves x^2+3x>10.

Quadratic inequalities (example 2)

VIDEO 7:54 minutes
Sal solves -x(2x-14)≥24.

Quadratic inequalities: graphical approach

VIDEO 9:51 minutes
Sal solves a few quadratic inequalities by moving all terms to one side of the inequality and graphing the resulting expression.