Mathematics

10th -

12thgrade

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Converting Logarithms and Exponentials

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15 questions

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  • 1. Multiple Choice
    1 minute
    1 pt

    Rewrite as an exponential: log28 = 3

    32 = 8

    23 = 8

    28 = 3

    83 = 2

  • 2. Multiple Choice
    1 minute
    1 pt

    Rewrite as an exponential:  log7(149)=2\log_7\left(\frac{1}{49}\right)=-2  

     7149=27^{\frac{1}{49}}=-2  

     (149)2=7\left(\frac{1}{49}\right)^{-2}=7  

     72=1497^{-2}=\frac{1}{49}  

     (2)7=149\left(-2\right)^7=\frac{1}{49}  

  • 3. Multiple Choice
    1 minute
    1 pt

    Rewrite as an exponential:  log93=12\log_93=\frac{1}{2}  

     912=39^{\frac{1}{2}}=3  

     312=93^{\frac{1}{2}}=9  

     93=129^3=\frac{1}{2}  

     (12)9=3\left(\frac{1}{2}\right)^9=3  

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