Cartesian to Parametric Form

Sep 2014
995
42
NYC
Convert from cartesian to parametric equation form?

x = y²-6y+11
 

skeeter

MHF Helper
Jun 2008
16,217
6,765
North Texas
come on ... you can do this one. keep it simple.
 
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HallsofIvy

MHF Helper
Apr 2005
20,249
7,909
Do you know what "parametric equation form" means? There are an infinite number of such forms, depending upon how you choose the parameter. But, when y is a function of x, the simplest thing to do is to take x itself as parameter.
 
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Sep 2014
995
42
NYC
Ok. Well, y = t and x = t^2 - 6t + 11 is the book's answer. Why does y = t? Why can't
x = t and y = t^2 - 6t + 11?