document.write( "Question 1194409: Suppose the trajectory of a javelin throw is parabolic and can be described by the equation: 200y = 80x - x^2, where x is the horizontal distance, \"y\" is the height. Both measurements are in meters. What is the mark reached? \n" ); document.write( "
Algebra.Com's Answer #826599 by ikleyn(52777)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Mark ?   What do you mean asking about mark ?\r
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\n" ); document.write( "\n" ); document.write( "Please clarify . . . \r
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