Question

determine as coordenadas dos vértices nas função m(x)=x2+2x-3

Answer 1

Resposta:

m(x)=x²+2x-3    ...a=1 , b=2  e c=-3

Vértice=(-b/2a  ; -Δ/4a)

vx=-b/2a = -2/(2)=-1

vy=-Δ/4a=-[4-4*1*(-3)]/4=-[4+12]/4=-4

Vértice=(-1,-4)