Evaluate log base 6 of 1/216

$\log_{6} (\frac{1}{216})$

Step 1

Rewrite as an equation.

$\log_{6} (\frac{1}{216}) = x$

Step 2

Rewrite $\log_{6} (\frac{1}{216}) = x$ in exponential form using the definition of a logarithm. If $x$ and $b$ are positive real numbers and $b$ does not equal $1$ , then $\log_{b} (x) = y$ is equivalent to $b^{y} = x$ .

$6^{x} = \frac{1}{216}$

Step 3

Create equivalent expressions in the equation that all have equal bases.

$6^{x} = 6^{- 3}$

Step 4

Since the bases are the same, the two expressions are only equal if the exponents are also equal.

$x = - 3$

Step 5

The variable $x$ is equal to $- 3$ .

$- 3$

Evaluate log base 6 of 1/216

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