meep25
meep25
16-05-2018
Mathematics
contestada
y=x^2-2x+8 what is the symmetry
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sqdancefan
sqdancefan
22-05-2018
A graph shows the line of symmetry is x=1.
_____
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
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