Learning Competency:The learner solves quadratic equations by: (a) extracting square roots; (b) factoring; (c) completing the square; and (d) using the quadratic formula (M9AL-Ia-b-1)Performance Standard: The learner is able to verify the solutions to a linear inequality in various situations. Demonstrates understanding the fundamentals of graphing a linear inequality in two variables. Can explain the process of finding and verifying the solutions to a linear inequality.