pc 3.3 notes
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3.3 Properties of Logarithms
Essential Question:How do you rewrite logarithmic expressions to evaluate them?
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What's a "logarithm?"
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The Properties:
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Please note…
Common Log:
Natural Log:
Change of Base:
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Ex. 1﴿ Expand.
a﴿
b﴿
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Ex. 2﴿ Expand.
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If log 4=0.6021, log 5=0.6990, and log 6=0.7782 find:log 24
log 125
log 1/6
Ex. 3﴿
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Ex. 4﴿ Condense into one logarithm.
a﴿
b﴿
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Ex. 5﴿ Evaluate.a﴿
b﴿
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Ex. 6﴿ Evaluate.
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Assignment:
3.3 WS Properties of Logarithms