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W(p,q)
p= -b/2a
p= -4/4 = -1
Δ=16-16=0
q=0
W(-1,0)
y= 2 ( x +1 ) ²
b)y=-x²+3x+1/4
p= -3/-2
=1.5
Δ= 9+ 1
q= -Δ/4a
q= -10/-4= 2.5
W(1.5 ; 2.5)
y= - (x-1.5)² + 2.5
b) p=-3/-2=1,5 q=-8/-4=2 y= -(x-1,5)kwad +2