2.8 Inequalities

understand and use the symbols >, <, ≥ and ≤, including double-ended inequalities

understand and use the convention for open and closed intervals on a number line

solve simple linear inequalities in one variable and represent the solution set on a number line

Represent simple linear inequalities on rectangular Cartesian graphs.

identify regions on rectangular Cartesian graphs defined by simple linear inequalities Conventions for the inclusion of boundaries are not required

solve quadratic inequalities in one unknown and represent the solution set on a number line

Identify harder regions on Cartesian graphs defined by linear inequalities.