" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Postać kanoniczna funkcji kwadratowej to:
y=a(x-p)²+q
gdzie p = -b/2a
q= -Δ/4a
f(x)=-2x²+6x+5
a=-2b=6c=5
Δ=6²-4·(-2)·5=36+38=76
√Δ=√76=2√19
zatem p=-6/(-2·2)=-6/-4=3/2=1,5
q=-2√19 /(4·(-2)=-2√19/(-8)= (√19)/4
czyli
y=-2(x-1,5)²+(√19)/4