The focus of a parabola is and its directrix is the line

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

The focus of a parabola is (6,0)(6,0) and its directrix is the line x=−6x=-6. Which of the following gives the coordinates of the end points of its latus rectum? (a) (6,6)(6,6) and (6,−6)(6,-6) (b) (6,12)(6,12) and (6,−12)(6,-12) (c) (−12,0)(-12,0) and (12,0)(12,0) (d) (6,24)(6,24) and (6,−24)(6,-24)

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