SOLUTION: what equation of axis of symmetry of a parabola if its x-intercepts are 5 and -5

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Question 456825: what equation of axis of symmetry of a parabola if its x-intercepts are 5 and -5
Answer by spacesurfer(12) About Me  (Show Source):
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x = 0 is the axis of symmetry. that is the equation of the axis of symmetry because the vertex occurs when x = 0. the line passing through the vertex is the axis of symmetry. since the parabola is an even function the roots -5 and 5 must fold together.