



 
Hi Will, I think you went a couple of steps to far in your calculations. It is better to leave the cartesian form as
Now let t = y  3 and then this implies that x = t^{2} + 2. Hence the parametric equations are
Now you can use these equations to sketch the graph. Substitute various values of t, generate values of x and y and then plot them. I would keep track with a table
Penny
 


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