Question 303150
what is the axis of symmetry if the equation is two x squared plus twelve x plus nine?
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y = 2x^2+12x+9
a = 2 ; b = 12 ; c = 9
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The axis of symmetry occurs where x = -b/2a
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x = -12/(2*2) = -3
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{{{graph(400,300,-10,10,-10,20,2x^2+12x+9)}}}
Cheers,
Stan H.