The quadratic x^2 + 5x + c has roots in the form of (-5 \pm sqrt(53))/2. What is the value of c?
c = the product of the roots =
(-5 + sqrt (53) ) / 2 * ( -5 - sqrt (53) ) / 2 =
(25 - 53) / 4 =
-28 / 4 =
-7
