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Surds

Maths: Edexcel A Level Pure Maths, topic 2.1.3

Surds

Surds are expressions like 3√6. They contain irrational numbers. These are numbers which can't be expressed as normal numbers or as a fraction. The rules for surds are:

Test yourself on Surds

  • Which of these are surds?

  • Which of these are surds?

  • Which of these are surds?

  • Which of these is another way of expressing 35\sqrt{\frac{3}{5}}

  • Which of these is another way of expressing 35\sqrt{\frac{3}{5}}

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