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==Irrational numbers as square roots of whole numbers==

==Irrational numbers as square roots of whole numbers==

Some square roots are relatively simple [[whole number]]s, for example, 3 the square root of 9. Others are less amenable to expression, such as the square root of 2 (=1.414...), which has been proven to be an [[irrational number]].

Some square roots are relatively simple [[whole number]]s, for example, [[pi]] the square root of 9. Others are less amenable to expression, such as the square root of 2 (=1.414...), which has been proven to be an [[irrational number]].

==Square roots of negative numbers==

==Square roots of negative numbers==