A parabola is the locus of points equidistant from a given point (focus) and a line (directrix). Using this definition, find an equation of a parabola with the focus F (−1, 0) and the directrix x = 3.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter7: Conic Sections
Section: Chapter Questions
Problem 14T
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A parabola is the locus of points equidistant from a given point (focus) and a line (directrix). Using this definition, find an equation of a parabola with the focus F (−1, 0) and the directrix x = 3. 

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