13: Quadratic Functions Last updated Dec 25, 2024 Save as PDF 12.2: The Absolute Value Function 13.1: Vertex Form and Completing the Square Page ID174238 ( \newcommand{\kernel}{\mathrm{null}\,}\) 13.1: Vertex Form and Completing the Square13.2: Graphing Quadratic Functions Using Properties13.3: Graphing Quadratic Functions Using Transformations13.3E: Exercises13.4: Optimization13.5: The Discriminant