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Wednesday, October 17, 2012

Finding Middle Coefficient - Quadratic Equation

Category: Algebra

"Published in Newark, California, USA"

Find the value of k to the given equation 



if the sum of the roots is 2.

Solution:

Consider the Quadratic Formula



If the roots of the quadratic equation are



Then



Substitute the value of the variables to the above equation





Therefore, the answer is k = 2