" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
titik balik f'x=0 .... 2ax+b=0 ...(-2,-10)..... -4a+b=0....(1)
melaui (-2,-10)
-10= 4a -2b + c ........ (2)
melaui (2,6)
6= 4a+2b+c .........(3)
(2)-(3) = -16= -4b ...... b=16/4=4
(1)...... -4a +4=0 ...a=4/4=1
(3)....... 6=4.1 +2.4+c .....c=6-12=- 6
y= x² +4b-6