Pre-Calc/Chapter 8: Analytic Geometry in Two- and Three-Dimensions/8.1 Conic Sections and Parabolas/8.1.6 Solve Apps: Parabolas Solve the problem.A domed ceiling is a parabolic surface. For the best ... Solve the problem.

A domed ceiling is a parabolic surface. For the best lighting on the floor, a light source is to be placed at the focus of the surface. If 3 m down from the top of the dome the ceiling is 18 m wide, find the best location for the light source.]]> 1.0000000 0.3333333 0 true true abc 6.8 m down from the top Correct 20.4 m down from the top Incorrect 13.6 m down from the top Incorrect 27 m down from the top Incorrect