Question

Geeeeente, quais são as coordenadas do vértice da parábola?????? y= x(elevado a dois)+2x-3

Answer 1

$y=x^2+2x-3$

$V_{x} = \frac{-b}{2a} => V_{x}= \frac{-2}{2} => -1$
$V_{y}= \frac{-delta}{4a}$ => $V_{y}= \frac{-16}{4} => -4$

V{-1,-4}