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23. ANALYZING EQUATIONS

The cross section (with
units in inches) of a parabolic satellite dish can be modeled by the equation y=1/38 x^2

How far is the
receiver from the vertex of the cross section? Explain.

Respuesta :

Davidc137

Answer:

9.5 in

Step-by-step explanation:

The receiver is placed at the focus of the parabola at a distance of 1/4a from the vertex. Here that would be 1/(4*(1/38)) or 38/4 inches or 9.5 in

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