An engineer designs a satellite dish with a parabolic cross-section. The dish is 5 m wide at the opening and the focus is placed 1.2 m from the vertex. Find the depth of the satellite dish at the vertex
Use the point (x1, 2.5) in (1)
(2.5)2 = 4(1.2)x1
`(2.5)^2/(4(1.2))` = y1
x1 = 1.3 m
∴ The depth of the satellite dish at vertex is 1.3 m
Concept: Real Life Applications of Conics
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