Question

Дам много баллов помогите

Answer 1

$\displaystyle\bf\\y=x^{2} -2x+7\\\\X_{v} =-\frac{b}{2a} =-\frac{-2}{2\cdot 1} =1\\\\\\Y_{v} =1^{2} -2\cdot 1+7=1-2+7=6\\\\\\Otvet:(1 \ ; \ 6)$