" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Fungsi Kuadratdg titik balik (xp,yp) = (2,7) dan melalui (x1,y1) = (4,15) :
y - yp = a(x - xp)²
15 - 7 = a(4 - 2)²
8 = 4a
a = 2
Persamaan Kuadrat :
y - yp = a(x - xp)²
y - 7 = 2(x - 2)²
y = 2(x² - 4x + 4) + 7
y = 2x² - 8x + 15