Unit 2.1: Vertex Form of a Quadratic Function Unit 2.2: Standard Form of a Quadratic Function Unit 2.3: Factored Form of a Quadratic Function Unit 2.4: Complex Numbers and Operations Unit 2.5: Completing the Square Unit 2.6: The Quadratic Formula TOPIC 2 Review and Assessment Unit 2.6: The Quadratic Formula Unit 2.7: System of Quadratic Liner Functions