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Evaluation

DropDown Activity

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  1. Solve log 381=x for x.

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    DropDown Activity

    Select the correct answer using the drop down arrow.

    1. Solve log(x +3) + log(x) = 1.
    1.  

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    Reflection

    Given that 2 log2⁡(x+15)-log2⁡x=6

    Show that x^2-34x+225=0

    Hence, or otherwise, solve the equation 2 log2⁡(x+15)-log2⁡x=6

    Solution