Suppose that point A(-2, -1) lies on a parabola with horizontal principal axis and whose vertex is at (2,5). What is the length of its latus rectum?

College Algebra (MindTap Course List)
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ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter7: Conic Sections And Quadratic Systems
Section7.1: The Circle And The Parabola
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Suppose that point A(-2, -1) lies on a parabola with horizontal principal axis and whose vertex is at (2,5). What is the length of its latus rectum?

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