1. =b
a. First you want to get the same base on both sides
ex. Solve .
=7776 Get the same base on both sides
= Put the exponents equal to each other
x=5
b. OR you can take the log of both sides
ex. Solve.
=7776 Take the log of both sides
log=log7776 Move the exponents out in front of the log
xlog6=log7776 Divide to get the x by itself
x=
x=5
2.
a. To solve this type of equation go to exponential form ( )
ex. Solve.
Change the equation to exponential form. ()
Take the cube root of both sides
3.
a.To solve this type of equation you can remove the logs from each side of the equation. You can only do this if the logs have the same base.
So if the logs have the same base, then a=b.
ex. Solve.
Since both the bases are the same put x equal to 10
Solve the following type of equations by using the best method:
1.
2.
3.
http://www.youtube.com/watch?v=pP3NunYYhzk
also visit his website at www.justmathtutoring.com
http://www.regentsprep.org/Regents/math/algtrig/ATE9/logEquationPrac.htm
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