I'm interested in what shapes you can plot on a graph (cartesian co-ordinates) using an equation (1 line) like y=x......

I'm want to know if you can plot a cycloid on a graph with an equation....

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- Jan 31st 2013, 02:05 PMTheJezPlotting specific shapes for graphs.
I'm interested in what shapes you can plot on a graph (cartesian co-ordinates) using an equation (1 line) like y=x......

I'm want to know if you can plot a cycloid on a graph with an equation.... - Jan 31st 2013, 03:02 PMHallsofIvyRe: Plotting specific shapes for graphs.
A graph of the form y= f(x), where f is a function of f, cannot "turn back" on itself since by definition of "function", we cannot have more than one value of y for any x.

But the graph of is a circle. The cycloid can be graphed using parametric equations x=a(t- sin(t)), y= a(1- cos(t)) or by using the single Cartesian equation . - Feb 2nd 2013, 01:17 PMTheJezRe: Plotting specific shapes for graphs.
Thanks! Can you tell me what the variable a represents?