Precalculus Examples

$\log_{6} (x) = \frac{1}{2}$

Step 1

Rewrite $\log_{6} (x) = \frac{1}{2}$ in exponential form using the definition of a logarithm. If $x$ and $b$ are positive real numbers and $b \neq 1$ , then $\log_{b} (x) = y$ is equivalent to $b^{y} = x$ .

$6^{\frac{1}{2}} = x$

Step 2

Rewrite the equation as $x = 6^{\frac{1}{2}}$ .

$x = 6^{\frac{1}{2}}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$x = 6^{\frac{1}{2}}$

Decimal Form:

$x = 2.44948974 \dots$