document.write( "Question 210350: An object is moving in a straight line. It initially travels at a speed of 6 meters per second, and it speeds up at a constant acceleration of 4 meters per second each second. The distance d, in meters, that this object travels is given by the equation d = 2t^2 + 6t, where t is in seconds. According to this
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document.write( "equation, how long will it take the object to travel 108 meters? \n" );
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Algebra.Com's Answer #158972 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! d = 2t^2 + 6t \n" ); document.write( "--------- \n" ); document.write( "d = 108 \n" ); document.write( "2t^2 + 6t = 108 \n" ); document.write( "t^2 + 3t - 54 = 0 \n" ); document.write( "(t+9)*(t-6) = 0 \n" ); document.write( "t = 6 seconds (ignore the -9 seconds)\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |