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Irrational rootsRoots that are irrational are called surds. Irrational Numbers are decimals that neither repeat nor terminate. But not all roots are surds.

Sqrt(4) is not a surd, because sqrt(4) is + or - 2, which is rational. On the other hand, sqrt(2) is a surd, and that's because the square root of two is irrational.

A surd is a number that cannot be changed into a fraction. They go on infinitely without any pattern.

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โˆ™ 2011-06-08 15:54:07
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Q: What is a surd or irrational roots?
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