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Question 1119579: A cable of a suspension bridge is suspended (in the shape of the parabola) between the two towers that are 150 meters apart and 30 meters above the roadway. The cables touch the roadway midway between the towers. How high is the cable if it is 20 meters away from any of the towers?. illustrate your answer
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Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! A cable of a suspension bridge is suspended (in the shape of the parabola) between the two towers that are 150 meters apart and 30 meters above the roadway. The cables touch the roadway midway between the towers. How high is the cable if it is 20 meters away from any of the towers?
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Put the Origin (0,0) at the center.
Find the equation on the curve given the points (-75,30), (0,0) and
(75,30).
Find y at x = 20.
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