IB Mathematics Analysis and Approaches Topic SL 2.7—solutions of Quadratic Equations and Inequalities, Discriminant and Nature of Roots (SL/HL) covers syllabus content. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
Practice
What this topic covers
Question Type 1: Finding solutions to quadratic equations by turning into ax^2+bx+c=0 and solving for x
Question Type 2: Finding solutions to quadratic inequalities by converting into ax^2+bx+c > or < 0 and checking intervals
Question Type 3: Finding how many roots the quadratic has
Question Type 4: For a quadratic dependent on a parameter, finding the value of the parameter that results in either situation of roots