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NOTES Objective Squares & Square Roots Date: ______________________ Vocabulary/Language of discipline Exponents: Square of a Number: The product of a number multiplied by itself. Perfect Square: A number whose square root is a whole number. Square Root: A number that, when multiplied by itself, gives the original number. Notes/Rules/Steps/Procedures *Note: The symbol for a square root is . This symbol is called a radical sign. It indicates a nonnegative square root. To find the square root of a number you need to find the 2 factors that will equal that number. 36 = 6 x6 = 6 Examples/Patterns One: Write the following factors using exponents. a. 18 x18 ___________________ b. 25 X 25 ___________________ Two: Find the square root of the following numbers. 2 x2 = 2 a. 4 = b. 144 = ___ x ____ = c 289 = ___ x ____ = ___ ___ Three: Add the square roots 16 + 4x 4 + 4 + 9 25 3x3 3 + __ x __ + __ x __ ____ ____ + _____ 7 Four: True or False. a. The 30 a perfect square. b. The c. The 49 225 is 15. indicates a negative square root. ________ ________ ________