Wednesday
October 22, 2014

Homework Help: trig

Posted by lindsey on Tuesday, December 20, 2011 at 8:19pm.

The cross section of a television antenna dish is a parabola. A dish has a receiver that is located at the focus, 4 ft. above the vertex.

Find the equation. (which I did) -- x^2 = 8y

If the dish is 8 feet wide, how deep is it?

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