The quadratic x^2 + bx + 16 = 0 has a double root. Find all possible values of b.
+37159 For this to occur, the discriminant of the Quadratic Formula must = 0
b^2 - 4 ac = 0
b^2 - 4 ( 1)( 16) = 0
b^2 = 64
b = +- 8
+37159 For this to occur, the discriminant of the Quadratic Formula must = 0
b^2 - 4 ac = 0
b^2 - 4 ( 1)( 16) = 0
b^2 = 64
b = +- 8
