SOLUTION: Evaluate the discriminant b^2-4ac. Then use the answer to state how many real-number solutions exist for the equation. y = x^2 + 8x + 16

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Evaluate the discriminant b^2-4ac. Then use the answer to state how many real-number solutions exist for the equation. y = x^2 + 8x + 16      Log On


   

Question 248645: Evaluate the discriminant b^2-4ac. Then use the answer to state how many real-number solutions exist for the equation.
y = x^2 + 8x + 16
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
y = x^2 + 8x + 16
b^2-4ac
8^2-4*1*16
64-64=0 This indicates that there is exactly one real solution.
(x+4)^2 ans.