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November 28, 2014

November 28, 2014

Posted by **toni** on Tuesday, October 8, 2013 at 9:54am.

For what value does c does the equation have one real root? Hint using the values of a and b found in the equation, solve D = 0 for c.

Consider the quadratic expression X^2 + 4x + c = 0.

- algebra (?) -
**PsyDAG**, Tuesday, October 8, 2013 at 10:58amThere is no a, b or D shown in the equation.

x^2 + 4x + 4 = (x+2)^2

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