Evaluating a Logarithm of a Fraction

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Taught by mrbrianmclogan
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Lesson Summary:

In this lesson, we learn how to evaluate a logarithm of a fraction using properties of logarithms. By rewriting the problem as multiple logarithms using subtraction, we can solve for the answer. We also review the concept that any logarithm evaluated for 1 is always 0. Finally, we check our answer using the calculator and the laws of exponents.

Lesson Description:

Evaluating a logarithm of a fraction

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Questions answered by this video:
  • Evaluate log ( 1/216 )base 6 = log ( 1/64 ) base 2 =