[tex]x_{0}=-\frac{b}{2a}=-\frac{4}{4}=-1\\ \\ y_{0}=-\frac{D}{4a}=-\frac{16+24}{8}=-5[/tex]
O (-1; -5) - вершина параболи
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[tex]x_{0}=-\frac{b}{2a}=-\frac{4}{4}=-1\\ \\ y_{0}=-\frac{D}{4a}=-\frac{16+24}{8}=-5[/tex]
O (-1; -5) - вершина параболи