Perfect Squares

A perfect square is an integer which is the square of another integer $n$ , that is, $n^{2}$ . (Since a negative times a negative is positive, a perfect square is always positive.

The first few perfect squares are listed below:

Perfect Squares
$0^{2} = 0$	$10^{2} = 100$
$1^{2} = 1$	$11^{2} = 121$
$2^{2} = 4$	$12^{2} = 144$
$3^{2} = 9$	$13^{2} = 169$
$4^{2} = 16$	$14^{2} = 196$
$5^{2} = 25$	$15^{2} = 225$
$6^{2} = 36$	$16^{2} = 256$
$7^{2} = 49$	$17^{2} = 289$
$8^{2} = 64$	$18^{2} = 324$
$9^{2} = 81$	$19^{2} = 361$

Perfect Squares

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