Write the Word or Phrase That Best Completes Each Statement $\log _ { b } \left( \frac { x } { y } \right) =$

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-The ــــــــ property of logarithms indicates that $\log _ { b } \left( \frac { x } { y } \right) =$ ـــــــــــــــ for positive real numbers $b , x$ , and $y$ where $b \neq 1$ .