0 formulas included in custom cheat sheet. In this definition y logbx y log b x is called the logarithm form and by x b y x is called the exponential form. Note that the requirement that x 0 x 0 is really a result of the fact that we are also requiring b 0 b 0.
The logarithm of 8 with base 2 is 3.
If you are an instructor you can request an. In this definition y logbx y log b x is called the logarithm form and by x b y x is called the exponential form. A 1 then b c. While this change-of-base technique is not particularly useful in this case you can see that it does work.