Find all values of m so that the quadratic x^2 - mx + m - 1 = 0 has only one solution.
+36915 The discriminant portion of the quadratic formula = 0 for just one answer
b^2 - 4ac = 0 a = 1 b = -m c = (m-1)
m^2 - 4 ( 1)(m-1) = 0
m^2 - 4m + 4 = 0 quadratic formula shows m = 2
