How do you evaluate #log_144 (1/12)#? Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Alan N. Sep 26, 2016 #-1/2# Explanation: Let #x=log_144(1/12)# #:. 144^x=1/12# Since #144=12^2# #12^(2x)=1/12# #12^(2x)=12^-1# Equating exponents: #2x=-1# #x=-1/2# Answer link Related questions What is a logarithm? What are common mistakes students make with logarithms? How can a logarithmic equation be solved by graphing? How can I calculate a logarithm without a calculator? How can logarithms be used to solve exponential equations? How do logarithmic functions work? What is the logarithm of a negative number? What is the logarithm of zero? How do I find the logarithm #log_(1/4) 1/64#? How do I find the logarithm #log_(2/3)(8/27)#? See all questions in Logarithm-- Inverse of an Exponential Function Impact of this question 1645 views around the world You can reuse this answer Creative Commons License