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iGCSE (2021 Edition)

6.03 Solving logarithmic equations

Interactive practice questions

Solve $\log_7y=5$log7y=5 for $y$y.

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Solve the equation $\log_{16}x=\frac{1}{4}$log16x=14.

Solve $\log_{\sqrt{49}}\left(y\right)=3$log49(y)=3 for $y$y.

Solve $\log_y6=\frac{1}{2}$logy6=12 for $y$y.

Outcomes

0606C7.2

Know and use the laws of logarithms (including change of base of logarithms).

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