The parametric equations of a line are given below.

Find the Cartesian equation of this line in the form  .  (2 marks)

The curve given by    and    can be expressed in cartesian form as

The parametric equations of a graph are

Sketch the graph.  (2 marks)

The parametric equations of a graph are

  for 
 

1. Find the Cartesian equation for the graph.  (1 mark)
   

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2. Sketch the graph.  (1 mark)
   

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