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3.3 Coordinate geometry in the (x, y) plane (A-level only)

3.3 Coordinate geometry in the (x, y) plane (A-level only)

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Question 8

The curve C C\,C has parametric equations

x=t2−4x = t^2 - 4x=t2−4, y=t3−4ty = t^3 - 4ty=t3−4t, t∈Rt \in \mathbb{R}t∈R

a.

Show that C C\,C crosses itself at the origin, and state the two values of t t\,t for which C C\,C passes through the origin.

[4]
b.

Find an equation of the tangent to C C\,C at the point where t=2t = 2t=2.

[3]
c.

Hence write down an equation of the other tangent to C C\,C at the origin.

[1]
Markscheme

3.3 Coordinate geometry in the (x, y) plane (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.3 Coordinate geometry in the (x, y) plane (A-level only)

76 exam-style questions on WJEC A Level Maths 3.3 Coordinate geometry in the (x, y) plane (A-level only), covering 3.3.1 Coordinate geometry in the (x, y) plane (A-level only) and 3.3.2 Coordinate geometry in the (x, y) plane (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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