SOLUTION: Solve for x: log base b of 9 = 2

Algebra.Com
Question 560069: Solve for x: log base b of 9 = 2
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Solve for x: log base b of 9 = 2
----------
No x is in the equation.
----
If you want to solve for b:

The log is the exponent, = 2
b^2 = 9
-------
If you can't get it from that, use the base change formula.

log(9)/log(b) = 2
log(b) = log(9)/2 =~ 0.47715
b = 3

RELATED QUESTIONS

Solve for x. Log base 9 (x-6) + log base 9... (answered by lwsshak3)
Solve the following equation A) 9 log 5 base x = log x base 5 B) log x/2 base 8 = log (answered by math_helper,ikleyn)
Solve for x: (A.) (5/2) log(base 4)4 = log(base 4)(2x-3) (B.) Log(base 3)(x+2)-... (answered by stanbon)
Solve for x log (base of 2)(x^2+8) = log (base of 2)x + log(base of 2)... (answered by edjones)
Solve the following system for (x,y): {{{log(9,X)+ log(Y,8)=2}}} {{{log(X,9)+... (answered by sdmmadam@yahoo.com)
log base 16 of x + log base 4 of x + log base 2 of x = 7 solve for... (answered by lwsshak3)
Help!!! Solve the following equation s: a) 9 log5 base x =log x base 5 B) log x/2... (answered by MathLover1)
solve for x: log 2 (log 3 x) = 4 -----> log of (log of x base 3) base 2 equals 4 (answered by jsmallt9)
solve the equation. log base b (X+3) = log base b (8) - log base b... (answered by lwsshak3)