4. Inequalities

4.01 Solving Linear Inequalities

4.02 Solving More Challenging Linear Inequalities

4.03 Solving x^2 less than 25

4.04 Solving x^2 greater than 9

4.05 Solving (x + 5)(x + 3) less than 0

4.06 Solving (x - 2)(x + 4) greater than 0

4.07 Solving 2x^2 + 2x less than x + 2

4.08 Solving (1 - x)(x + 3) less than 0

4.09 Introducing Problems involving Inequalities and the Discriminant

4.10 Discriminant - Finding values of k for two distinct real roots

4.11 Discriminant - Finding values of k for no real roots

4.12 Intersection of a Line and a Parabola - Finding values of k