SOLUTION: How do you solve Quadratic equations and graph them in parabola form?

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Question 39855: How do you solve Quadratic equations and graph them in parabola form?
Answer by fractalier(2101) About Me  (Show Source):
You can put this solution on YOUR website!
Quadratic equations can be solved in a variety of ways...
1) Direct solve
2) Completing the square
3) Quadratic formula
4) Factoring
5) Graphing
To graph them, it is easiest to get them in this form:
y = a(x - h)^2 + k
where the vertex is at (h, k) and a determines the shape and orientation...