How do you write #7^-6=y# in logarithmic form? Precalculus Properties of Logarithmic Functions Logarithm-- Inverse of an Exponential Function 1 Answer Bdub Oct 27, 2016 #log_7 y = -6# Explanation: #7^-6 = y#-> Use the definition #log_bx=y iff b^y = x# #log_7 y = -6# 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 1439 views around the world You can reuse this answer Creative Commons License