Amsco Integrated Algebra I: The Irrational Numbers
 This is a free lesson from our course in Amsco's Integrated Algebra

 This lesson explains about irrational numbers,square & square roots. An irrational number is one that cannot be expressed as a fraction (proper or improper), as against a rational number that can be expressed as a fraction. A proper fraction is one in which the numerator is less than the denominator. An improper fraction is one in which the numerator is greater than, or equal to, the denominator. The numerator and denominator are; ofcourse integers - say a/b, where a and b are integers, and b ≠ 0. E.g. √2, π (pie) are irrational numbers. (More text below video...)
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 (Continued from above) In addition, you’ll learn here about squares and square roots and approximation. An infinite,non repeating decimal is an irrational number. Eg.1.1098453278…When a number is multiplied by itself gives its square.Eg. 2*2=4.Square root of a number x is number r such that r*r=x. The video above will explain in detail with the help of several examples.

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