6.5 properties of logarithms - wordpress.com · 2018. 4. 6. · x = logb a, y = logbc, and z = logc...
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6.5PropertiesofLogarithmsPropertiesofLogarithms
Example1:UsingPropertiesofLogarithmsUselog$ 3 ≈1.585andlog$ 7 ≈2.807toevaluateeachlogarithm.
a) log$ ./ b)log$ 21 c)log$ 49Example2:ExpandingaLogarithmicExpressionExpandln 34
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6
Example3:CondensingaLogarithmicExpressionCondenselog 9 + 3 log 2 − log 3
Example4:ChangingaBaseUsingCommonLogarithmsEvaluatelog. 8usingcommonlogarithmsExample5:ChangingaBaseUsingCommonLogarithmsEvaluatelog9 24usingnaturallogarithmsExample6:ModelingwithMathematicsHomework:3,5,9-12,14-30even,33,34,43,44