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A point is double as far from the origin as from the x-axis. It lies on
Ax² + y² = 4
Bx² = y²
Cy = √3 x
Dx = ±√3 y
Answer & Solution
Correct answer: D. x = ±√3 y
x² + y² = 4y² gives x² = 3y², so x = ±√3 y, a pair of lines through the origin.
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