" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x = -b/2a = -2/2 = -1
x = -1
y = (-1)² + 2(-1) - 5
y = 1 - 2 + 5 = 4
titik puncak (-1, 4)