Is there any way to solve the graphing of quadratic equation fast and less steps? I am asking this because I have a quadratic equation solving test tomarrow (2010-03-25) don't write IDK as answer.

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As a teacher, I'm worried.You seem to want to learn some "trick" rather than just take the time to understand the concept.I recommend watching some of the instructional videos on the brighstorm site.Math won't go away. Take the time to understand it.