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What is the axis of symmetry of a graph of y=x^2+3x

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Please help me, I need to finish this module before the end of the week. I really need help.

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asked Dec 5, 2013 in GEOMETRY by angel12 Scholar

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1 Answer

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Given y = x^2+3x

Compare it standard parabola equation y = ax^2+bx+c

a = 1,b = 3, c = 0

Axis of symmetry is x = -3/2*1 = -3/2

Axis of symmetry is x = -3/2

Graph of y = x^2+3x

answered Dec 30, 2013 by dozey Mentor

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