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What point of y² = 4x has parameter t = 3 in the form (at², 2at)?
A(9, 12)
B(9, 6)
C(3, 6)
D(6, 9)
Answer & Solution
Correct answer: B. (9, 6)
With a = 1, the point is (t², 2t) = (9, 6), and 36 = 4 times 9 confirms it lies on the curve.
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