Хелпикс

Главная

Контакты

Случайная статья





Область определения функции



 

                                                                     1

                            Показательная функция        

                                               

                                                

 

        Иррациональные уравнения и неравенства     y = ,    x

                                                                                                       

                        

                                        

                  

                

 

 

                 

 

 

                     

 

 

 

                                                         2

    

                                                                                                                     

                                     Логарифмическая функция

                     

 

                       

               

 

 

 

 

 

                                          

 

 

          

                                                                                            

 

 

              

                 

                                                              3

                                     Модули

 

                             

 

                                                             

          

 

 

                      

   

 

                      

 

 

                   

____________________________________________________________________________

 

 

    Область определения функции

 

              

 

        

 

 

                                                       4

                   Формулы                                                          

 

                                                                                                                           

Новая переменная

                   

 

                                                  5

 

Производная

 

f(x) c x  
f’(x))  

 

                       

 

 

Уравнение касательной в точке касания

                 

если , то                      если , то

 

_________________________________________________________________________________

 

Первообразная

 

f(x)  
F(x)) x  

              

 

 

                                      

                                                  6

                                     Прогрессии

Арифметическая                                                            Геометрическая

                  

                                                        

Бесконечно убывающая геометрическая прогрессия             

                                 Проценты

                        - первоначальная величина                           

                                                                             p – процент увеличения величины (%)

                                       S – новая величина через один год     

                                                              - новая величина через n лет 

                     Смеси и сплавы

                                                   m – масса всей смеси

                                                         

                                                   a – вес вещества в смеси

 

                                                    p – процентное содержание вещества в смеси

                                 Числа

- двузначное число                     - трехзначное число

        число а делится на число b c остатком d ( с – неполное частное)

4n + 3 - число делиться на 4 с остатком 3

                                                                 7

 

                                  Геометрия

        

Треугольник                                             Прямоугольник                    Параллелограмм                                                                                                                               

                                                                     

                        Ромб                               Квадрат

                                          

                          

               Трапеция                                  Шестиугольник

                                                                          

                                                                          
Круг и его части                                                                          Большие и маленькие радиусы

                                                                                                             

                                   

                     Правильные многоугольники                        Решение треугольников

Треугольник         Квадрат          Шестиугольник                   

                                                                                                     

                                        

 

                                                    8

        Прямоугольный  треугольник                                                        

                                                                                                                                                                                  

                                                                                                                                                                                                                              

                                                                                                               

                              Пифагоровы тройки:         3, 4, 5       6, 8, 10      5, 12, 13  …

                              Другие фигуры

                                                                C                   

                              ВЕ и СD – медианы                            PK║ AC

                                                                                           если PK- средняя линия, то

                                                                                          PK=AС/2

                                                                                                         если РК – не средняя линия, то

                                                                                                                

если AK –биссектриса, то        A                                    D

AB =BK                                                    

                                                         AB+CD=BC+AD

                  B


                          C

A                        

     

                                                      9



  

© helpiks.su При использовании или копировании материалов прямая ссылка на сайт обязательна.