Question about Texas Instruments TI-84 Plus Calculator

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No graph appears?

When i hit the graph button, there ain't any thing on the screen. The screen practically goes blank. Not even the Y-X axis appears. I tried checking the the axison function is still under on though. Tried typing in the equation too, not a help either. Any help ? ? thanks in advance

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  • 51 Answers

Did you make sure the domain, range, and scale settings are correct?

Posted on Nov 04, 2008

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Determine the coefficients of the equation y=ax^3 + bx^2 + cx + d so that it will have critical points at ( 1, 0) and ( -2, 27).


I will give you a solution for a ti-83 Plus or ti-84 Plus calculator as they are very similar.

You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. You desire a cubic function so it is number 6, so you hit [enter] on number 6 and then you will be at the home screen with CubicReg already written. You just have to complete the statement and it will do it for you. hit the [2nd] [1] and then the comma button, then [2nd] [2] and [enter]. that will do it for you. Also if you want the equation to appear in your y= menu, you can hit [2nd] [stat] and then search for the Y1, but make sure you have a comma between the L2 and the Y1.

Mar 24, 2011 | Calculators

1 Answer

Under the Table, I only have an X axis and no Y, but I need both. How do I create a table for the Y axis as well?


ok,
I assume that you are attempting to make a scatter plot of some sort. Here's how:

Instead of hitting the [table] button. You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. lets say you think it is linear, so you hit [enter] on number 4 and then you will be at the home screen with LinReg already written. You just have to complete the statement and it will do it for you. hit the [2nd] [1] and then the comma button, then [2nd] [2] and [enter]. that will do it for you.

If I am mistaken in my thoughts and you have a graph that you need the points of, type the function into the y= menu or solve a few points and do the above suggestion.

The calculator will not allow you to plug-in values for the y within the table menu.

I hope this helps.

Feb 14, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do you get the table ([2ND GRAPH]) from the [STAT] [EDIT] [L1] [L2] list to appear with [Y1] in the second the column? The information appears in the scatter plot, but the information in the table does...


Instead of hitting the [table] button. You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. lets say you think it is linear, so you hit [enter] on number 4 and then you will be at the home screen with LinReg already written. You just have to complete the statement and it will do it for you. hit the [2nd] [1] and then the comma button, then [2nd] [2] and [enter]. that will do it for you.

Feb 14, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

I can only see the line of the graph


click the 2nd button and then zoom. It gives you the format for the graph. you can set it how you want, but it seems all you want is AxesOn highlighted.

If it is on check the zoom or window size.

if you hit zoom and zoom standard it will give y axis bounded by -10 to 10 and x axis bounded by -10 to 10.

hope this helps.

Apr 27, 2010 | Texas Instruments TI-84 Plus Calculator

2 Answers

My Graphing calculator has no x or y axis. Its all Blank.


Press the 2nd Button then the ZOOM button. Make sure that AxesOn is highlighted. If not, move your cursor down until you on AxesOn and press ENTER.

If AxesOn is highlighted, then it is probably your window. Press ZOOM, then 6.

Jun 03, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

Graph and trace buttons don't work


This is probably because you have the stat plot on. You would need to go to y= and then go to the top where it says stat plot 1 and un highlight it if it is highligted. That should fix your problem.

Sep 16, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Graphing function


see if u can do firmware update ok

Feb 05, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Will Not Graph 2 eqations on one set of axis.


mine did the same thing and i had to reset it. hit 2nd and then the plus key to bring you to the memory menu and hit 7 for the reset. Then press 2 for defaults. That should fix the problem. If not press 1 for All Ram under the reset menu. Hope this helps

Jan 05, 2008 | Texas Instruments TI-84 Plus Calculator

5 Answers

X and Y axis disappeared


If you are using the TI 89 titanium Go to your graph press f1 go do to last option (format) you can turn on your x and y axes there

Oct 31, 2007 | Texas Instruments TI-89 Calculator

2 Answers

Invalid DIM


Just passing by, make sure you aren't zoomed in or panned away from the axis when you look. Check to see if there is some way you could be referencing a matrix. I can pull up a similar error by trying to pull a value out of a non-existant slot. I got my first TI 2 days ago, so I probably don't know as much as you.

Aug 20, 2007 | Texas Instruments TI-84 Plus Calculator

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