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1.6 C: Coordinate geometry in the (x, y) plane

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Question 86

The curve CCC is defined by the parametric equations

x=1t+3y=2t−1t+2t>0 x = \frac{1}{t} + 3 \quad y = \frac{2t - 1}{t + 2} \quad t > 0 x=t1​+3y=t+22t−1​t>0
a.

Show that the equation of CCC can be written in the form y=g(x)y = g(x)y=g(x) where ggg is the function

g(x)=ax+bcx+dx>k g(x) = \frac{ax + b}{cx + d} \quad x > k g(x)=cx+dax+b​x>k

where a,b,c,da, b, c, da,b,c,d and kkk are integers to be found.

[5]
b.

Hence, or otherwise, state the range of ggg.

[3]

1.6 C: Coordinate geometry in the (x, y) plane Questions

  1. A Level
  2. /Maths
  3. /1.6 C: Coordinate geometry in the (x, y) plane

Practise AQA A Level Maths 1.6 C: Coordinate geometry in the (x, y) plane with exam-style questions for A Level Maths. 110 questions covering 1.6.1 Equation of a straight line, 1.6.2 Coordinate geometry of the circle, 1.6.3 Parametric equations of curves (A-level only), and 1.6.4 Parametric equations in modelling (A-level only), matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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