ParAboLa
y = x² + 10x
titik balik
x = -b/2a = -10/2.1 = -5
y = (-5)² + 10(-5)
y = -25
titik balik = (-5,-25)
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ParAboLa
y = x² + 10x
titik balik
x = -b/2a = -10/2.1 = -5
y = (-5)² + 10(-5)
y = -25
titik balik = (-5,-25)