SOLUTION: This is another question about parabola. A tunnel is to built to allow 2 lanes of traffic to pass from one side of a mountain to the other side. The largest vehicles are trucks,

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Question 753108: This is another question about parabola.
A tunnel is to built to allow 2 lanes of traffic to pass from one side of a mountain to the other side. The largest vehicles are trucks, which can be considered as rectangles 5m wide and 7m high.
Investigate the cross-section of a parabolic tunnel and find a possible equation to represent it. Allow some space so trucks do not bump into each other or the sides of the tunnel. it have to be use algebra and geometry to solve this problem
many thanks
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
This exact same question was answered (at least dealt with fairly thoroughly) yesterday. It is somewhat open-ended because the clearance decisions are for you to make. See here: http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.752606.html