Precalculus Examples

$\log_{a} (\frac{z^{2}}{x^{3} y^{4}})$

Step 1

Rewrite $\log_{a} (\frac{z^{2}}{x^{3} y^{4}})$ as $\log_{a} (z^{2}) - \log_{a} (x^{3} y^{4})$ .

$\log_{a} (z^{2}) - \log_{a} (x^{3} y^{4})$

Step 2

Expand $\log_{a} (z^{2})$ by moving $2$ outside the logarithm.

$2 \log_{a} (z) - \log_{a} (x^{3} y^{4})$

Step 3

Rewrite $\log_{a} (x^{3} y^{4})$ as $\log_{a} (x^{3}) + \log_{a} (y^{4})$ .

$2 \log_{a} (z) - (\log_{a} (x^{3}) + \log_{a} (y^{4}))$

Step 4

Expand $\log_{a} (x^{3})$ by moving $3$ outside the logarithm.

$2 \log_{a} (z) - (3 \log_{a} (x) + \log_{a} (y^{4}))$

Step 5

Expand $\log_{a} (y^{4})$ by moving $4$ outside the logarithm.

$2 \log_{a} (z) - (3 \log_{a} (x) + 4 \log_{a} (y))$

Step 6

Simplify each term.

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Step 6.1

Apply the distributive property.

$2 \log_{a} (z) - (3 \log_{a} (x)) - (4 \log_{a} (y))$

Step 6.2

Multiply $3$ by $- 1$ .

$2 \log_{a} (z) - 3 \log_{a} (x) - (4 \log_{a} (y))$

Step 6.3

Multiply $4$ by $- 1$ .

$2 \log_{a} (z) - 3 \log_{a} (x) - 4 \log_{a} (y)$