document.write( "Question 551780: By graphing the function on your calculator (TI-83) find the solutions of 1.2x^2 - 3.1x -4.5=0 to three decimal places. Explain how answer was obtained. \n" ); document.write( "
Algebra.Com's Answer #359888 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "1.2x^2 - 3.1x -4.5=0\r\n" );
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document.write( "Press ON\r\n" );
document.write( "Press CLEAR\r\n" );
document.write( "Press Y=\r\n" );
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document.write( "After \Y1 and after \Y2 type so that you see this\r\n" );
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document.write( "         \Y1=1.2X^2-3.1X-4.5\r\n" );
document.write( "         \Y2=0  \r\n" );
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document.write( "Press ZOOM\r\n" );
document.write( "Press 6\r\n" );
document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 5\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "Read at bottom of screen\r\n" );
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document.write( "X=-1.03608   Y=0\r\n" );
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document.write( "One zero is -1.03608\r\n" );
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document.write( "Press 2ND\r\n" );
document.write( "Press TRACE\r\n" );
document.write( "Press 5\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "Press right arrow 15 times to get cursor nearer to other zero\r\n" );
document.write( "Press ENTER\r\n" );
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document.write( "Read at bottom of screen\r\n" );
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document.write( "X= 3.619413   Y=0\r\n" );
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document.write( "The other zero is 3.619413\r\n" );
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document.write( "Edwin
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