document.write( "Question 132846: To accommodate the road beneath, the arch is 100 feet wide at its base, 20 feet high in the center, and parabolic in shape.
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document.write( "-The arch can be described by y=kx(x-100), if the origin is placed at the left end of the arch. Find the value of the coefficient k that makes the equation fit the arch.
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document.write( "-Is it possible to move a rectangular object that is 40 feet wide and 16.5 feet high (a wide trailer, for example) through the opening? Explain. \n" );
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Algebra.Com's Answer #97419 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! at the middle of the arch, x=50 and y=20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "20=50k(50-100) __ 20=50k(-50) __ dividing by -2500 __ -.008=k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a 40 ft wide object would pass through between x=30 and x=70 \n" ); document.write( "__ the clearance is y=(-.008)30(-70) __ y=16.8 \n" ); document.write( "__ the object fits through \n" ); document.write( " |