SOLUTION: Find the approximate value of x: {{{sqrt(81-x^2)=3}}}

SOLUTION: Find the approximate value of x: {{{sqrt(81-x^2)=3}}}

Algebra.Com

Question 140338: Find the approximate value of x:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation

Square both sides

Subtract 81 from both sides

Divide both sides by -1

Take the square root of both sides

or Simplify

or Approximate by using a calculator

So the approximate value of x is or
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