Unified State Exam. Mathematics. Problems with parameters

The manual is designed to practice the skills of solving one of the most difficult tasks of the Unified State Exam in mathematics at the advanced level - solving problems with a parameter. The book covers the main approaches to solving these problems: algebraic, functional, functional-graphical, and geometric. Problems are classified according to the methods of their solution. A large number of examples of solving tasks and exercises for independent work are presented. Answers are provided for all tasks, and in some cases, solution hints are also included. The book is intended for graduates taking the Unified State Exam in mathematics at the advanced level, as well as for teachers. 4th edition, supplemented.