Odgovor:
Nađite oblik vrha #y = x ^ 2 - 9x + 2 #
Odg: #y = (x - 9/2) ^ 2 - 73/4 #
Obrazloženje:
tjeme # (x, y) #.
#x#- koordinata vrha: #x = (-b / (2a)) = 9/2 #
# Y #- koordinata vrha: #y = y (9/2) = (9/2) ^ 2 - 9 (9/2) + 2 = #
#= 81/4 - 81/2 + 2 = -81/4 + 2 = -73/4#
Vertex obrazac -> #y = (x - 9/2) ^ 2 - 73/4 #