SOLUTION: Solve for x algebraiclly Log base 2 (4) + Log base 2 (x) = 1

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Solve for x algebraiclly Log base 2 (4) + Log base 2 (x) = 1      Log On


   

Question 543581: Solve for x algebraiclly
Log base 2 (4) + Log base 2 (x) = 1
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x algebraiclly
Log base 2 (4) + Log base 2 (x) = 1
**
Log2 (4) + Log2 (x) = 1
2+log2(x)=1
log2(x)=-1
convert to exponential form: base(2) raised to log of number(-1)=number(x)
2^-1=x
x=2^-1=1/2
x=1/2