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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Specialist Mathematics => Topic started by: nels on October 28, 2009, 06:39:07 pm

Title: graphics calculator help
Post by: nels on October 28, 2009, 06:39:07 pm
hey guys,

my calculator always stops graphing the function when its next to the asymptote. i.e. it only draws the section where its not in proximity to the asymptote. this makes it hard for me to trace the function and work out intercepts because the line is not graphed where i want it to be graphed.

anyone know how to fix this? i have a ti-84 plus.
Title: Re: graphics calculator help
Post by: TrueTears on October 28, 2009, 06:42:16 pm
This happens on the TI-89 as well, I don't think there's a way to fix it, I think it's because the graph converges on the asymptote really fast so it almost seems like it is part of the asymptote. A good idea is to actually put in the equation of the asymptote, sketch it, and then trace the graph on paper towards the asymptote.
Title: Re: graphics calculator help
Post by: kdgamz on October 28, 2009, 06:44:18 pm
This happens on the TI-89 as well, I don't think there's a way to fix it, I think it's because the graph converges on the asymptote really fast so it almost seems like it is part of the asymptote. A good idea is to actually put in the equation of the asymptote, sketch it, and then trace the graph on paper towards the asymptote.

good idea.....but how do you sketch lets say x=3 on a ti-89
Title: Re: graphics calculator help
Post by: TrueTears on October 28, 2009, 06:47:10 pm
This happens on the TI-89 as well, I don't think there's a way to fix it, I think it's because the graph converges on the asymptote really fast so it almost seems like it is part of the asymptote. A good idea is to actually put in the equation of the asymptote, sketch it, and then trace the graph on paper towards the asymptote.

good idea.....but how do you sketch lets say x=3 on a ti-89
lol I guess you'd just have to visualize that yourself :P
Title: Re: graphics calculator help
Post by: nels on October 28, 2009, 06:56:32 pm
damn...oh well thanks for the help.
This happens on the TI-89 as well, I don't think there's a way to fix it, I think it's because the graph converges on the asymptote really fast so it almost seems like it is part of the asymptote. A good idea is to actually put in the equation of the asymptote, sketch it, and then trace the graph on paper towards the asymptote.

good idea.....but how do you sketch lets say x=3 on a ti-89
lol I guess you'd just have to visualize that yourself :P

or even better, put in y=3, graph it, then 2nd; draw; DrawInv  ;)