23-05-2014
Mathematics

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log3 1/9=x/9 ? math is the worst

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kate200468 kate200468

23-05-2014

[tex]log_3( \frac{1}{9} )= \frac{x}{9} \\\\log_33^{-2}= \frac{x}{9} \\\\-2=\frac{x}{9} \ /\cdot9\\\\-18=x\\\\x=-18[/tex]

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23-05-2014

[tex]log_3(\frac{1}{9})=\frac{x}{9}\\ \\ log_33^{-2}=\frac{x}{9}\\ \\ 3^{\frac{x}{9}}=3^{-2}\\ \\ \frac{x}{9}=-2\\ \\ \boxed{x=-18}[/tex]

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