SOLUTION: what is the equations of the axis of symmetry of the graph y=2x^2-6x-14

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Question 418089: what is the equations of the axis of symmetry of the graph y=2x^2-6x-14
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
Using the vertex form of a parabola, where(h,k) is the vertex
y=2x^2-6x-14 |completing the square to put into the vertex form
y= 2(x-3/2)^2 -9/2 -14
y= 2(x-3/2)^2 -37/2 |vertex Pt(3/2,-37/2) x = 3/2 the line of symmetry
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