Square Roots and Cube Roots

Square Roots and Cube Roots - Special note: If no sign (or...

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Square Roots and Cube Roots To find the  square root  of a number, you want to find some number that when multiplied by itself  gives you the original number. In other words, to find the square root of 25, you want to find the  number that when multiplied by itself gives you 25. The square root of 25, then, is 5. The symbol for  square root is  . Following is a list of the first eleven perfect (whole number) square roots. 
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Unformatted text preview: Special note: If no sign (or a positive sign) is placed in front of the square root, then the positive answer is required. Only if a negative sign is in front of the square root is the negative answer required. This notation is used in many texts and is adhered to in this book. Therefore,...
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