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Y=x^2-2x+8 what is the symmetry

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A graph shows the line of symmetry is x=1.


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For y = ax² +bx +c, the line of symmetry is x = -b/(2a). You have a=1, b=-2, so this formula gives the line of symmetry as
x = -(-2)/(2(1)) = 2/2
x = 1
Y=x^2-2x+8 what is the symmetry-example-1
User Yudelka
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