anonymous
  • anonymous
logx9 = -2 . what's the value of x?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
the log argument is 9x or x^9??
anonymous
  • anonymous
And what's the base of the logarithm?
anonymous
  • anonymous
the base is x

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anonymous
  • anonymous
Ohhhh. Much easier, then. So, x^(-2) = 9 which means that x = 9^(1/2) or -9^(1/2) = 1/3 or -1/3.
anonymous
  • anonymous
Right!
anonymous
  • anonymous
no no no
anonymous
  • anonymous
Should the negative term not be in there? I wasn't completely positive. :P
anonymous
  • anonymous
(Pun.)
anonymous
  • anonymous
not there... the correct way write is 9=x^-2 9=1/x^2 x^2=1/9 x=+1/3 or x=-1/3
anonymous
  • anonymous
Yes, I just skipped a step. Sorry :P

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