SOLUTION: 8=sqrt(x)sqrt(x)sqrt(x)sqrt(x...), find the value of x.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: 8=sqrt(x)sqrt(x)sqrt(x)sqrt(x...), find the value of x.      Log On


   

Question 197325: 8=sqrt(x)sqrt(x)sqrt(x)sqrt(x...), find the value of x.
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
8 =sqrtx sqrtx sqrtx sqrtx
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8 = (x^1/2)^4 = x^(4/2) = x^2
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sqrt8 = 2.828 = x
.
checking
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8 = (sqrt 2.828)^4 = 8,,, ok