Предмет: Математика, автор: SadikovK

срочно, НАЙДИТЕ ОСЬ СИМЕТРИИ ПАРАБОЛЫ:-3х^+18х-7

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Автор ответа: DedushkaBake

0

абсцисса вершины
х=-b/2a=-18/(2*(-3))=3
ось симметрии - прямая х=3

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