Предмет: Алгебра, автор: volkov20

При каких значениях p и q вершина параболы y = x(в квадрате) + px + q находится в точке B(3;-7)?
Помогите

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Автор ответа: igir12370

у=х²+рх+g (1)
абсцисса (х) вершины параболы находится по формуле:х=-b/2a (2)
х=3 b=р а=1
подставим в (2) 3=-р/2 р=-6
у=-7 х=3 р=-6
подставим в (1) -7=3²-6*3+g
g=-7+9=2
ответ: р=-6; g=2

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При каких значениях p и q вершина параболы y = x(в квадрате) + px + q находится в точке B(3;-7)? Помогите

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При каких значениях p и q вершина параболы y = x(в квадрате) + px + q находится в точке B(3;-7)?
Помогите