SOLUTION: Determine whether the following equations have a solution or not? Justify your answer. 2x2 + 5x + 5 = 0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Determine whether the following equations have a solution or not? Justify your answer. 2x2 + 5x + 5 = 0       Log On


   

Question 132466: Determine whether the following equations have a solution or not? Justify your answer.
2x2 + 5x + 5 = 0

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
ALL QUADRATIC EQUATIONS HAVE SOLUTIONS.
2X^2+5X+5
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(-5+-SQRT[5^2-4*2*5])/2*2
X=(-5+-SQRT[25-40])/4
X=(-5+-SQRT-15)/4
X=(-5+-3.873)/4
X=-5/4+-3.873i/4
X=-1.25+-.968i ANSWER.