Intermediate Algebra Chapter 4 Quadratic Functions Section 4.1 Quadratic Functions and Parabolas Section 4.2 Graphing Quadratic Functions from Vertex Form Section 4.3 Finding Quadratic Models Section 4.4 Solving Quadratic Equations by the Square Root Property and Completing the Square Section 4.5 Solving Equations by Factoring Section 4.6 Solving Quadratic Equations by Using the Quadratic Formula Section 4.7 Graphing Quadratic Functions from Standard Form