Tag Archives: solve by factoring

Length of Side of Square

If the numerical value of the area of a square plus two times the numerical value of its perimeter is equal to , what is the length of one side of the square? Source: NCTM Mathematics Teacher, September 2006 Solution … Continue reading

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Miscopied Quadratic Equation

Two students attempted to solve a quadratic equation . Although both students did the work correctly, one miscopied the middle term and obtained the solution set , while the other miscopied the constant term and obtained a solution set . … Continue reading

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