Precalculus Examples

$\log_{9} (243) - \log_{9} (3)$

Step 1

Use the quotient property of logarithms, $\log_{b} (x) - \log_{b} (y) = \log_{b} (\frac{x}{y})$ .

$\log_{9} (\frac{243}{3})$

Step 2

Logarithm base $9$ of $\frac{243}{3}$ is $2$ .

$2$