Modeling with Conic Sections and Polar Equations — Test
Question 9 • Precalculus
A plane intersecting a double-napped cone is parallel to the generator. Which conic section is formed?
Answer
A
parabola
B
circle
C
hyperbola
D
ellipse
Explanation
A plane parallel to a generator (a slanted line along the cone’s surface) cuts one nappe of the cone in a parabola. Therefore, the conic section formed is a parabola.
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