Thursday, July 11, 2013

SAT math Quadratic Equation

SAT math Quadratic Equation

How can we find the value of the parameter m if it's known that 3 is a root of the following quadratic equation: 



Answer
http://www.satmath4u.com/threads/50-sat-math-quadratic

Since 3 is a root of the following equation:



you have to replace x with 3 and then solve for m





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