y=0.2x²-3x+12
хв=-b/2a
хв=3/2*0.2=7.5
ув=0.2*7.5²-3*7.5+12=0.2*56.25-22.5+12=11.25-22.5+12=0.75
(7.5;0.75)
y=0.2x²-3x+12
хв=-b/2a
хв=3/2*0.2=7.5
ув=0.2*7.5²-3*7.5+12=0.2*56.25-22.5+12=11.25-22.5+12=0.75
(7.5;0.75)