73 ln = + x )37 log2 = + xx 3 log4 = x

Algebra II
Mr. Ed
Name: _________________________
Date: ______
Period: ______
CHAPTER 9:EXPONENTIAL & LOGARITHMIC FUNCTIONS
9.8 Notes: Solving Logarithmic Functions
TODAY’S GOAL: I will be able to…
SOLVE logarithmic equations.
Example #1 – Solve. Check your answer.
a) 2  log 5 x  4  5
c) 2 ln 3x  5  5
b) ln x  3  7
d) log 2 xx  7  3
Example #2 – Solve. Check your answers.
a) log x 81  4
b) log 4 x  3
c) 2log2 7  x
d) log 2 8 2  x