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OpenStudy (anonymous):
find the equation of the axis of symmetry of y=2x^2+6x+7
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hero (hero):
axis of symmetry: x = -b/2a
hero (hero):
a = 2 b = 6 x =-6/2(2) x = -6/4 x =-2/3
OpenStudy (anonymous):
thanks! so the answer is: x= -2/3?
hero (hero):
Yes
hero (hero):
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OpenStudy (anonymous):
okay.. thanks you!
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