Предмет: Алгебра, автор: Владимир973

помогите , найдите координаты вершины параболы
f(x)=xв квадрате - 6x+4

Ответы

Автор ответа: Hedgehoginlog
0
f(x)= x^{2}  - 6x+4
 x_{0} =-b/2a=6/2=3
y_{0} =a*( x_{0} )^2+b* x_{0} +c=9-18+4=-5
(3;-5)-вершина параболы
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