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Math Help - Curves and functions in Ti-84 plus

  1. #1
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    Curves and functions in Ti-84 plus

    Dear forum members,


    I was wondering, how does one enter the equation for for example descartes folium, if one wants to graph it on TI-84 plus?







    Thank you in advance.
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  2. #2
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    Quote Originally Posted by Coach View Post
    Dear forum members,

    I was wondering, how does one enter the equation for for example descartes folium, if one wants to graph it on TI-84 plus?

    Thank you in advance.
    Not much chance using the Cartesian form unless you want to solve for y and get the three different branches using the cubic formula .... Even then there are certain problems ....

    I'd suggest going to parametric function mode and using the parametric equations. Those equations can be found here.
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  3. #3
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    Thank you so much!



    So in the parametic and polar equations I just choose any numbers for a and b?
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  4. #4
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    Quote Originally Posted by Coach View Post
    Thank you so much!



    So in the parametic and polar equations I just choose any numbers for a and b?
    1. Set the TI83/84 to parametric mode.

    2. Use the equation you found at the link Mr. Fantastic gave you.

    3. I've attached a screenshot what will happen for a = 1

    (The invisible settings in the window are: ymin = -3, ymx= 3, yscl = 1)
    Attached Thumbnails Attached Thumbnails Curves and functions in Ti-84 plus-folium_descartes.gif  
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