document.write( "Question 283538: how do i know whether to use the quadratic formula or graph to solve my quadratic equation? \n" ); document.write( "
Algebra.Com's Answer #205780 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Graphing will only get you a picture of the equation. It will rarely help you to find the solutions.
\n" ); document.write( "The quadratic formula will always find the solutions if they exist.
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