Q29. The equation of a parabola having focus (-3, 0) and directrix x = 3 is:Mathematics — Conic Sections — Question 29 of 272A. y2 = 12xB. y2 = -12xC. x2 = 12yD. x2 = -12yPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →