For the ellipse

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

Problem

For the ellipse x29+y216=1\dfrac{x^{2}}{9}+\dfrac{y^{2}}{16}=1, the end-points of a latus rectum are: (a) (7, ±94)(\sqrt7,\,\pm\dfrac{9}{4}) (b) (±94, 74)(\pm\dfrac{9}{4},\,\dfrac{\sqrt7}{4}) (c) (±94, 7)(\pm\dfrac{9}{4},\,\sqrt7) (d) (±92, 7)(\pm\dfrac{9}{2},\,\sqrt7)

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