QCE Together Year 12 Maths Methods: Logarithmic Laws

Maths Methods

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Logarithmic Laws

In this post, we establish and use logarithmic laws and definitions, as a part of the QCE Maths Methods course under the topic The Logarithmic Function 2 and sub-part Logarithmic Laws and Logarithmic Functions.

  • Product Rule: log(x \times y) = log(x) + log(y)
  • Quotient Rule: log(\frac{x}{y}) = log(x) - log(y)
  • Log of Power Rule: log( x^{y} ) = y \times log(y)

Logarithm Laws

Adding Logarithms

The following video explains how to add logarithms.

Subtracting Logarithms

Powers and Coefficients

Want to learn more? Check out more of our QCE Maths resources here!

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