SOLUTION: Is this the solution to this problem: 2.Discriminant is zero. There is only one solution. x = -b/2a

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Is this the solution to this problem: 2.Discriminant is zero. There is only one solution. x = -b/2a       Log On


   



Question 374913: Is this the solution to this problem:
2.Discriminant is zero. There is only one solution.
x = -b/2a

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi,
When the Discriminant is zero. There is only one solution. x = -b/2a
for example
y = x^2 + 2x + 1
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x+=+%28-2+%2B-+sqrt%28+0+%29%29%2F%282%29=+%28-b%2F2a%29+
x = -1