Предмет: Алгебра, автор: Liknoserstovvlad890

2. Постройте график квадратичной
функции
а) у = х2 +2х -15

Ответы

Автор ответа: leramellen
1

Ответ:

Постройте график функции 

Заданный график функции является параболой.

Так как а = 1 > 0 , то ветви параболы направлены вверх

Найдем вершину параболы

тогда

Аналогично можно найти другие точки. Задаемся Х и считаем значение функции в этой точке.

Таблица с данными и сам график, ниже

Приложения:
Liknoserstovvlad890: спасибо)
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