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SOLVING QUADRATIC EQUATIONS BY EXTRACTING THE SQUARE ROOT.
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What is a Quadratic equation? Definition. Up next: solving quadratic equations by completing the square.
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ax² + bx + c = 0.
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What is a Perfect square? Definition. It is a number that is obtained by multiplying an integer by itself..
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Example one. Example two. Example three. 01. 02. √100.
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√100 Solving. 1. 2. 3. Square Root.
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10 x 10 =100.
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√100 Solving. 1. 2. 3. 10. √-100. =. upload.wikimedia.org/wikipedia/commons/thumb/6/....
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( i ) Represents a negative (-1) number..
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Solving. √24. √6·4- -1. √ -24. √6·4. +/-2√6. +/-2i√6.
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x² - 100 = 0 Solving. Up next: solving quadratic equations by completing the square.
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Checking.
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Checking. (10)² - 100 = 0 100 – 100 = 0 0 = 0. (-10)² - 100 = 0 100 – 100 = 0 0 = 0.
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In finding square roots here are some key points to help you solve.
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Quick Activity Idea: Getting to Know You Tic Tac Toe! – Rennert New York TESOL Center | TESOL/TESL/TEFL Certification.