# SOLUTION: find the axis of symmetry y=x^2+7x+10 A)x=7 B)x=-7/2 C)x=7/2 D)x=-7: find the axis of symmetry

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 Question 90172: find the axis of symmetry y=x^2+7x+10 A)x=7 B)x=-7/2 C)x=7/2 D)x=-7: find the axis of symmetry Answer by stanbon(60777)   (Show Source): You can put this solution on YOUR website!find the axis of symmetry y=x^2+7x+10 Put the equation in symmetry form y = x^2+7x+(7/2)^2 + 10 - (7/2)^2 y = (x+(7/2))^2 + 40/4 - 49/4 y = (x+(7/2))^2 - 7/4 ----------- Axis of symmetry: x= -7/2 ====================== Cheers, Stan H.
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