Algebra

Rational and irrational numbers

Square root of -23, -3pie, -6.21,squ rt 16, and 57._
35.
Test on Mon. which are which and why

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A rational number is one which cannot be expressed by a fraction, because if you tried, you'll get never ending decimals that don't seem to make any pattern at all.

0.125 is not irrational because it can be expressed as 1/8

If you want more information and details, visit wikipedia:

Irrational number - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Irrational_number)

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