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Each point of a curve is as far from the origin as from the line x = -1. The curve is
Ay² = 4x
By² = 2x + 1
Cy² = x + 1
Dy² = 2x - 1
Answer & Solution
Correct answer: B. y² = 2x + 1
x² + y² = (x + 1)² gives y² = 2x + 1, a parabola with its vertex at (-1/2, 0).
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