Koordinat titik balik gafik fungsi g(x) = x² + 2x - 6 adalah...
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g (x) = x² + 2x - 6
a = 1
b = 2
c = -6
sumbu simetri
= -b / (2 . a)
= -2 / (2 . 1)
= -2/2
= -1
g (x) = x² + 2x - 6
g (-1) = (-1)² + 2 . (-1) - 6
g (-1) = 1 - 2 - 6
g (-1) = -7
koordinat titik balik = (-1, -7)
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