SOLUTION: Can a quadratic equation solution be determined by looking at a graph, and how?

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Question 482315: Can a quadratic equation solution be determined by looking at a graph, and how?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Can a quadratic equation solution be determined by looking at a graph, and how?
:
+graph%28+300%2C+200%2C+-3%2C+10%2C+-4%2C+15%2C+x%5E2+-+8x+%2B+12%29+
:
You can get all the information from the above graph to write an equation
The graph opens upward means the coefficient of x^2 is positive
The x intercepts, x=2; x=6 would be from the factors
(x-2)(x-6) = 0
FOIL
y = x^2 - 6x - 2x + 12
y = x^2 - 8x + 12; is the equation of the above