A searchlight is shaped like a paraboloid of revolution. A light source is located 2 feet from the base along the axis of symmetry. If the opening of the searchlight is 9 feet across, find the depth. (Round your answer to two decimal places.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.1: Parabolas
Problem 59E
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A searchlight is shaped like a paraboloid of revolution. A light source is located 2 feet from the base along the axis of symmetry. If the opening of the searchlight is 9 feet across, find the depth. (Round your answer to two decimal places.)

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