Vastaus:
Vertex on #(-5/6,-121/12)# Symmetria-akseli on # X = -5/6 #
Selitys:
# y = 3x ^ 2 + 5x-8 tai y = 3 (x ^ 2 + 5 / 3x) -8 = 3 (x ^ 2 + 5 / 3x + 25/36) -25 / 12-8 = 3 (x +5/6) ^ 2 -121/12:.Vertex on #(-5/6,-121/12)# Symmetria-akseli on # X = -5/6 # kaavio {3x ^ 2 + 5x-8 -40, 40, -20, 20} Ans
