This math site from Mathworld.com explains what a square root is including information on imaginary numbers and many links. This site also addresses the continued fractions of positive real square roots, in particular the square root of two and three.

Concepts

square roots, complex numbers, irrational numbers

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Additional Tags

square root

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)

Common Core

HSF-IF.C.7.b