Przedstaw funkcję kwadratową w postaci ogólnej :
a) y=(x-1)do kwadratu -1
b)y=-1/2(x+2)do kwadratu +3
c)y=3(x-5)do kwadratu +9
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a)y=(x-1)²-1
y=x²-2x+1-1
y=x²-2x
b)y=-½(x+2)²+3
y=-½(x²+4x+4)+3= -½x²-2x-2+3
y=-½x²-2x+1
c)y=3(x-5)²+9
y=3(x²-10x+25)+9=3x²-30x+75+9
y=3x²-30x+84
a
y=(x-1)do kwadratu -1
y=x^2-2x+1-1
y=x^2-2x
b
y=-1/2(x+2)do kwadratu +3
y=-1/2(x^2+4x+4)+3
y=-1/2x^2-2x-2+3
y=-1/2x^2-2x+1
c
y=3(x-5)do kwadratu +9
y=3(x^2-10x+25)+9
y=3x^2-30x+75+9
y=3x^2-30x+84