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3.2.1 Co-ordinate geometry in the (x, y) plane (A-level only)

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Question 16

A curve has the parametric equations

x=t+5,y=3t2−12 x = t + 5, \quad y = 3t^2 - 12 x=t+5,y=3t2−12
a.

Find the points where the curve crosses the coordinate axes.

[4]
b.

Find an expression for dydx\displaystyle \frac{dy}{dx}dxdy​ in terms of xxx.

[3]

3.2.1 Co-ordinate geometry in the (x, y) plane (A-level only) Questions

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