How to write algebraic notation

  • Algebra uses letters to represent unknown values.

  • Unknown values are commonly represented by the letters x and y.

  • There are several principles you need to know to be able to use algebraic notation.

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How does algebraic notation work?

Let's say that x = 5 and y = 10 in the following equations.

Therefore...

  • x + 2 = 7

  • 3x = 15 (when multiplying don't include the multiplication symbol)

  • 3x + 2 = 17

  • x² = 25

  • 4x² = 100

  • xy = 50

  • 2xy = 100

Where next?

Discover more about this topic from around Bitesize.

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