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Квадратичная функция: формулы и парабола

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Проверьте знания о квадратичных функциях

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Квадратичная функция: формулы и парабола
 

Квадратичная функция: формулы и параболаOnline version

Проверьте знания о квадратичных функциях

by shynar
1

Ось симметрии равна y = -b/(2a).

2

Вершина y = ax^2 + bx + c находится в точке (0, c).

3

Вершина параболы y = ax^2 + bx + c имеет координаты ( -b/(2a), f(-b/(2a)) ).

4

Ось симметрии параболы y = ax^2 + bx + c равна x = -b/(2a).

5

Дискриминант определяет значение y-перехвата.

6

y = ax^2 + bx + c с a ≠ 0 — общая форма квадратичной функции.

7

Стандартной формой квадратичной функции является y = x^2 + bx + c (скрывается, что a может быть не равен 1).

8

Парабола открывается вверх, если a > 0.

9

Дискриминант b^2 - 4ac определяет количество действительных корней.

10

Если a = 0, график все равно является параболой.

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