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A point has coordinates (t, 2t + 1) as t varies. Its locus is
Ay = 2x + 1
By = 2x^2 + 1
Cy = 2x - 1
Dy = x + 2
Answer & Solution
Correct answer: A. y = 2x + 1
Eliminating t by putting x = t gives y = 2x + 1, a straight line.
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