SOLUTION: Evaluate: logx 16 = -2

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Evaluate: logx 16 = -2      Log On


   

Question 43771: Evaluate: logx 16 = -2
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
log%28x%2C16%29+=+-2
16+=+x%5E%28-2%29
16%5E%28-1%2F2%29+=+x
+-1%2F4+=+x
You can not have a negative number for the base, so the answer is only positive one-fourth.