Analysis and Approaches for IBDP Maths Ebook 1 | Page 13

Front Page � SUMMARY POINTs Solving the quadratic equation 2 ax bx c 1. Factorization by cross method 2. 2 � � � 4 x � b b ac : Quadratic Formula 2a 3. Method of completing the square � � � 0, where a � 0 : 2 � The discriminant 2 � � b � 4ac of �� 0 �� 0 �� 0 2 ax bx c � � � 0: The quadratic equation has two distinct real roots The quadratic equation has one double real root The quadratic equation has no real root � x -intercepts of a quadratic function 2 y � ax �bx � c : Roots of 2 ax bx c � � � 0 Solutions of Chapter 2 www.seprodstore.com 5