DLM 2 – Unit 2: Quadratic equations Self-Learning Modules-Quarter 1-Mathematics: Grade 9-Modules 1-23 Grade 9 MATHEMATICS Quarter 1 – Module 2 Lesson 1: The Nature of the Roots of a Quadratic Equation Lesson 2: The Sum and the Product of Roots of Quadratic Equations Equation 2 EASE Module 1 Quadratic Equations EASE Module 2 Quadratic Equations EASE Module 2 Quadratic Equations Grade 9 MATHEMATICS Quarter 1 – Module 4: Quadratic Equations and Inequalities Lesson 1: Solving Problems Involving Quadratic Equations Rational Equations Transformable to Quadratic Equations