My equations I want to graph are x + y + z = 6, 2x + y -4z = -15, 5x - 3y + z = -10. I want them to be on one graph
Your calculator cannot, natively, perform 3D graphing.
SOURCE: graphing
The first solution will allow you to watch your
calculator graph two equations simultaneously rather than finishing one
before graphing the next; it won't solve the problem of having the
calculator unselect one equation when you select a second. To fix
that problem, try the following:
In order to select additional graphs, the Transformation Graphing App
will need to be uninstalled from the TI-83 Plus Family and TI-84 Plus
Family. Uninstalling the App does not erase it from the calculator, it
disables it from interfering with the normal graphing modes. Below are
the steps to successfully uninstall the App.
The illustration and solution are courtesy of
Jesse Phillips, who cites
this
page from the Texas Instruments
support site
- doug garfinkel, Children's Day School
SOURCE: how to graph linear equation in two variables
I am not quite sure what you are asking...
(1) if asking for graphing y= -2/3x+2, then press [diamond] [F1: Y=] type in .2/3x +2, see graph by [diamond][graph]
(2) if asking for graphing y= -2/3x+a, where a=3x, then first archive a=3x in Home screen by [home], type 3x [sto] a, then go back to y= menu, and type -2/3x+a in Y1
(3) if asking for graphing an equation that is dependent on 2 variables at the same time, use x-y-z axis (aka, change mode to graphing 3-D by [mode]graph [5:3D]) then enter desired equation in y= menu using Z function in terms of x and y aka z(x,y)= ...)
SOURCE: My calculator will only graph one graph at a time.
This is simple... Back up all RAM, (press second+, then 2, then 1, press enter to back up something if backed up it will have a star by it) Then clear your RAM (pull out your batteries while the calc is still on or press second+, then 7, then 1)
Hope this helps!
SOURCE: TI-83 Plus Calculator: I am trying to graph an equation and I get the "ER...
If the message appears when you try to graph functions deactivate the
statistical plots. To do so:
Press [2nd][Y=] to access (STAT
PLOTs)
Select [4:PlotsOff] then [ENTER]
That should solve your
problem. Post a comment to this thread if you still have trouble
graphing.
If the message appears in another context, it sure
would help knowing the context of the error.
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