document.write( "Question 1190232: I was solving 10x^2-16=0 using the quadratic formula.\r
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document.write( "I got x=1.247219129 and x=-1.247219129\r
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document.write( "How many decimal places do I need to use for my answer? \n" );
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Algebra.Com's Answer #821839 by math_tutor2020(3816)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Those values you got are a bit incorrect.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My calculator is showing \n" ); document.write( "x = -1.264911064067 and x = 1.264911064067 \n" ); document.write( "both of which are approximate of course\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The rounding precision is entirely arbitrary and up to your teacher to decide. \n" ); document.write( "Unfortunately I'm not sure what your teacher wants, so you'll have to ask him/her. \n" ); document.write( " \n" ); document.write( " |