SOLUTION: Solve. Round results to the nearest thousandth. 7x^2 - 6x - .4255 = 0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve. Round results to the nearest thousandth. 7x^2 - 6x - .4255 = 0      Log On


   

Question 173416This question is from textbook Introductory Algebra
: Solve. Round results to the nearest thousandth.
7x^2 - 6x - .4255 = 0 This question is from textbook Introductory Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
7x^2 - 6x - .4255 = 0
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Use the quadratic formula to get:
x = [6 +- sqrt(36 -4*7*0.4255)]/14
x= [6 +- sqrt(24.086)]/14
x = [6 +- 4.9077..]/14
x = 0.779... or x = 0.078...
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Cheers,
Stan H.