titik puncak diparabola{(x,y)y=2x -12x+14}

persamaan kuadrat : y = ax^2 + bx + c
y = 2x^2 - 12x + 14


Xp = -b / 2a = -(-12)/(2.2) = 12 / 4 = 3
Yp = 2(3)^2 - 12(3) + 14 = 18 - 36 + 14 = -4