SOLUTION: How do you find the line of symmetry when you're dealing with quadratic equations?

Question 2216: How do you find the line of symmetry when you're dealing with quadratic equations?
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
find the roots of the equation ie where the curve crosses the x-axis (where y=0). This is done by factorisation or using the quadrativ formula.
Once you have these two points, then the line of symmetry is mid way between them ,since a quadrativ is a symmetrical curve.
So, if the root are at x=1 and x=5, then the line of symmetry is at x=3.
Jon
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