document.write( "Question 1038252: A student solved the quadratic equation by finding the square root of both sides. In which line is a mistake first made?
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document.write( "b^2 - 4b + 4 = 16\r
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document.write( "Line 1:(b - 2)^2 = 16\r
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document.write( "Line 2:b - 2 = 16\r
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document.write( "Line 3:b = 18 \n" );
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Algebra.Com's Answer #652949 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A student solved the quadratic equation by finding the square root of both sides. In which line is a mistake first made? \n" ); document.write( "b^2 - 4b + 4 = 16\r \n" ); document.write( "\n" ); document.write( "Line 1:(b - 2)^2 = 16\r \n" ); document.write( "\n" ); document.write( "Line 2:b - 2 = 16 *********** should be sqrt(16) = ±4\r \n" ); document.write( "\n" ); document.write( "Line 3:b = 18 \n" ); document.write( " |