Solving equations and inequalities: Quadratic inequalities
Solving quadratic inequalities via the quadratic formula and inspection
Solve the following inequality via the quadratic formula and inspection. \[x^2 -20> x \] Answer in the form of an inequality. For a closed region you can write \[a <x \land x <b \] You write for two separate regions \[x <a \lor x> b \] Note the use of \(\land \) ("and") and \(\lor \) ("or").