Quandaries
and Queries 

Who is asking: Student Level: Secondary Question: 

Hi Heather, An extraneous solution might arise from the fact that the log(x) does not exist if x is negative. For example suppose you were asked to find x is
A solution migh look like
If you now try to verify your solution you see that x = 1 is not a solution since log(1) does not exist. The olny solution is x = 2. Penny 

