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Precalculus
Conic Sections: Parabolas — Quiz
Question 5
5
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Multiple Choice
Conic Sections: Parabolas — Quiz
Question 5 • Precalculus
Yung is designing a flashlight that uses a parabolic reflecting mirror and a light source. The shape of the mirror can be modeled by x squared is equal to 8 y , where x and y are measured in inches. What is the focus point of the flashlight?
Answer
A
open paren 0 comma 2 close paren
B
open paren 0 comma negative 2 close paren
C
open paren negative 2 comma 0 close paren
D
open paren 2 comma 0 close paren
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