Estimating square roots - PowerPoint PPT Presentation

Start Bellwork #

Start Bellwork #. Chapter 11-1 p.560. Square Roots and Irrational Numbers. 3. 2. 1. The square of an integer is a perfect square . The opposite of squaring a number is taking the square root. Example. For example

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Estimating Square Roots

Estimating Square Roots. In order to estimate square roots you must first know your perfect squares . A perfect square is the number you get when you multiply a number by itself. For instance 1 is a perfect square because 1X1=1 4 is a perfect square because 2x2=4.

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Negatives and Square Roots

Negatives and Square Roots. = 17. Ask yourself? ‘What number, times itself, equals 289?. Find. Since ( 17 )( 17 ) = 289, the square root of 289 is 17. –. ( –17 ) ( –17 ) = 289. = – 17. Find. ... but, there’s another number,

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