document.write( "Question 1185757: Directions: Tell whether or not the following situation illustrates a quadratic equation. Justify your answer by representing the situation in a mathematical sentence.\r
\n" ); document.write( "\n" ); document.write( "A motorcycle driver travels 15 kph faster than a bicycle rider. The motorcycle driver covers 60 km in two hours less than the time it takes the bicycle to travel the same distance. \n" ); document.write( "
Algebra.Com's Answer #816589 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "                  SPEEDS          TIMES          DISTANCES\r\n" );
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document.write( "Motorcyclist      r+15          60/(r+15)          60\r\n" );
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document.write( "Bicyclist          r             60/r              60\r\n" );
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document.write( "DIFFERENCE                        2\r\n" );
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\n" ); document.write( "The time for motorcyclist is less so \"60%2Fr-60%2F%28r%2B15%29=2\"; and this will become a quadratic equation through simplifications. \n" ); document.write( "
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