How to solve an inequality with an absolute value less than a number.
How to solve linear inequalities.
How to recognize when y = 0 is the horizontal asymptote of a rational function.
How to find the solution region for a system of inequalities.
How to solve an inequality with an absolute value greater than a number.
How to graph a quadratic inequality.
How to solve a quadratic inequality using a sign chart.
How to find the graph of a logarithmic equation with a base greater than one.