The simplest case of a quadratic function is / » Mathematics for Economic Analysis 1 solved MCQs / By admin Question: The simplest case of a quadratic function is A. y = x2 B. y = x3 C. y = x2 + b D. y = x2 + bx+ c Answer» a. y = x2 Note: The above multiple-choice question is for all general and Competitive Exams in India.