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GCSE

Algebra

Question

What are surds?

2 years ago

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Kole Donnelly


1 Answer

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David B Verified Sherpa Tutor ✓

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Surds are the square root of a number that cannot be simplified further. They are irrational and if written in decimal form, would go on forever.


The square root of 9, is 3, so this is not a surd, however the square root of 3, cannot be written simpler, so is a surd.

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