Coordenadas da vértice????????????
Determine as coordenadas da vértice
a- f(x)=2x²+4x-3
b- xx=x²+x-2
Obrigada :]
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Determine as coordenadas da vértice
a- f(x)=2x²+4x-3
b- xx=x²+x-2
Obrigada :]
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Verified answer
a) f(x) = 2x² + 4x - 3
delta
d² = 16 + 24 = 40
vértice
Vx = -b/2a = -4/4 = -1
Vy = -d²/4a = -40/8 = -5
b) f(x) = x² + x - 2
delta
d² = 1 + 8 = 9
vértice
Vx = -b/2a = -1/2
Vy = -d²/4a = -9/4
pronto
n sei