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Vectors and matrices — Question 1

QCAA 2023, Paper 1 · 1 mark

Q1 · 2023 · Technology-freeSimple familiar1 mark

QUESTION 1

The position of a particle is given by r=(t+2)i^+t2j^\mathbf r=(t+2)\hat{\mathbf i}+t^2\hat{\mathbf j} for t≥0t\ge0. Determine the corresponding Cartesian equation.
(A)
y=x2−4y=x^2-4
(B)
y=x2+4y=x^2+4
(C)
y=x2−4x+4y=x^2-4x+4
(D)
y=x2+4x+4y=x^2+4x+4
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