Posted by **Daniel** on Thursday, December 15, 2011 at 1:02pm.

I don't quite understand Cartesian equations. I am told to

Eliminate the parameter to find a cartesian equation of the curve.

X= 3 - 4t, y= 2 - 3t there is no inequality

I don't understand what I am trying to find.

- calculus -
**Steve**, Thursday, December 15, 2011 at 3:33pm
Actually, you are most familiar with Cartesian equations. That's just good old

y = f(x)

To convert parametric equations to Cartesian, eliminate the parameter t.

x = 3 - 4t

t = (3-x)/4

y = 2 - 3t

y = 2 - 3(3-x)/4

y = 2 - 9/4 + 3x/4

y = (3x-1)/4

Ta da.

- calculus -
**Daniel**, Friday, December 16, 2011 at 12:27am
Thank you!

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