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| Algebraic Equations and Inequalities |
 Properties of Equations and Inequalities Graphical Interpretation of Solutions
Linear Equations Linear Inequalities
Linear Equations Involving Absolute Value Linear Equations Involving a Few Absolute Values Linear Inequalities Involving Absolute Value
 Quadratic
EquationsQuadratic Equations and Quadratic Functions Extreme Value of Quadratic Function Quadratic Formula Solving Quadratic Equations by Factoring Quadratic
Inequalities |
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A linear inequality in one variable can be put into one of the following forms, a x + b > 0 (*) ora x + b ≥ 0, (**) where a and b are constants (a ≠ 0); x is the variable. Inequality (*) is called a strict inequality, while inequality (**) is an unstrict inequality. The only difference between them is whether the endpoint of the interval is included in the solution set or not. The solution set for inequality (*):
The solution set for inequality (**):
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