Find the standard form of the equation of the parabola with the given characteristic and vertex at the origin. directrix: x = 5 A)x² = -20y B)x² = 20y C)x² = 5y D)y² = 5x E)y² = -20x

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Quizplus · Accepted Answer

The parabola has a vertical directrix x = 5, indicating it opens horizontally. The vertex is at the origin, so the equation is y² = -4px. Since the directrix is at x = 5, p = -5, giving y² = -20x.

Find the Standard Form of the Equation of the Parabola