How do I graph an equation with TI 89 The equation is S=48.4-6.1cos(pi*t/6)? Thank you so much!

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Just open the Y= equation editor and enter your equation. Use X for T. Make sure the angle unit is in radians.

Posted on Nov 11, 2014

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Posted on Jan 02, 2017

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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.

- Press [APPS] key
- Select Transfrm from the menu
- Press 1:Uninstall

- doug garfinkel, Children's Day School

Posted on Jan 29, 2008

SOURCE: graphing multiply equations

When you go to Y=, you should get a list that says:

Y1=

Y2=

Y3=

etc. You just enter the first equation into the Y1= space then hit ENTER and it will go to Y2=. Enter the second equation there. After you have entered all of your equations, push GRAPH and they should come up in order but they will all appear.

Also, make sure your window is set appropriately so that you are able to see all of the graphs.

Lastly, when you look at your Y= screen, are there funny looking arrows before the Y=? If so, do this:

Hope one of these are helpful!!

-Gretchen

Posted on Mar 22, 2008

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!

Posted on Oct 09, 2008

SOURCE: Graph feature is not working on TI-83

you have one of your stat plots on that is what is messing it up. So either turn off the stat plots. Or just reset your calculator. hit 2nd then the plus (+) key then 7 then 1 then 2. Good luck

Posted on Nov 12, 2008

SOURCE: How do you set up window range?

or press ZOOM, option 6 (ZStandard). That instantly resets the window range.

Posted on Jan 28, 2009

In parametric functions, the variables x and y are both functions of an independent variable, **called t,** and that usually represents the time. The default variable in parametric functions must be called t. You can enter the limits you want. However if you type in 2 Pi it will be converted on the entry line to 6.28. The default tstep is 0.13 which is about pi/24. I fail to see what the commotion is about.

In this representation of the witch of Agnesi, the variable t is between 0 and 4Pi, and the step tstep is 0.13, a little less that pi/24

Reset your calculator and restart

In this representation of the witch of Agnesi, the variable t is between 0 and 4Pi, and the step tstep is 0.13, a little less that pi/24

Reset your calculator and restart

Mar 14, 2014 | Texas Instruments TI-Nspire Graphing...

How can you graph equations (functions) if you do not have a graphing calculator?

Feb 12, 2014 | Texas Instruments TI-30XA Calculator

Your calculator cannot, natively, perform 3D graphing.

Jan 28, 2013 | Texas Instruments TI-84 Plus Calculator

You have to use **Y Editor** to define functions on the both sides of the equation and then graph it. Finally option is **F5: Intersection**.

See captured images for equation**5x+10=-2x-7**, **y1=5x+10**, **y2=-2x-7** and **x=-17/7**

See captured images for equation

Feb 25, 2012 | Texas Instruments TI-89 Calculator

Press the Y= key to invoke the Y= editor. Enter in your equation.

Press the WINDOW key to set the window parameters.

Press the GRAPH key to have the calculator graph the equation.

For more details and options, see the "Function Graphing" chapter in the Guidebook.

Press the WINDOW key to set the window parameters.

Press the GRAPH key to have the calculator graph the equation.

For more details and options, see the "Function Graphing" chapter in the Guidebook.

Nov 11, 2009 | Office Equipment & Supplies

The calculator only displays from -10 to 10 on the x and y axes, and both of your lines are outside of that range. However, it is easy to change that.

1. Hit the gray "WINDOW" button that is directly under the screen

2. Change "Xmax" to 150

3. Change "Ymax" to 200

Remember to change both of those values back to 10 when you are done with this problem!

Here's how to graph it:

1. Hit the "Y=" button

2. Enter your first equation after Y1, and your second equation after Y2

3. Look over both the equations to make sure you typed them correctly

4. Hit the "GRAPH" button

5. If you don't see the intersection you will need to adjust Xmax and Ymax again

6. Hit Hit "2ND" and the "TRACE" to bring up the "CALC" menu

7. Scroll down to "intersect" and hit enter

8. Hit enter 3 times (You use the first and second curve options when you have more than 2 lines)

9. It should display the coordinates at the bottom

10. I got (76, 142.1) for the intersection

Thanks for asking this question! I used to do this a much harder way, but while I was calculating the answer to your question I hit a wrong button and accidentally found this method!

1. Hit the gray "WINDOW" button that is directly under the screen

2. Change "Xmax" to 150

3. Change "Ymax" to 200

Remember to change both of those values back to 10 when you are done with this problem!

Here's how to graph it:

1. Hit the "Y=" button

2. Enter your first equation after Y1, and your second equation after Y2

3. Look over both the equations to make sure you typed them correctly

4. Hit the "GRAPH" button

5. If you don't see the intersection you will need to adjust Xmax and Ymax again

6. Hit Hit "2ND" and the "TRACE" to bring up the "CALC" menu

7. Scroll down to "intersect" and hit enter

8. Hit enter 3 times (You use the first and second curve options when you have more than 2 lines)

9. It should display the coordinates at the bottom

10. I got (76, 142.1) for the intersection

Thanks for asking this question! I used to do this a much harder way, but while I was calculating the answer to your question I hit a wrong button and accidentally found this method!

Jun 30, 2009 | Texas Instruments TI-84 Plus Calculator

At first you have to slving this equations in explicit form** y=f(x)** and the graphing it. See captured images

Jan 23, 2009 | Texas Instruments TI-83 Plus Calculator

or press ZOOM, option 6 (ZStandard). That instantly resets the window range.

Jan 20, 2009 | Texas Instruments TI-84 Plus Silver...

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)= ...)

(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)= ...)

May 18, 2008 | Texas Instruments TI-89 Calculator

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.

- doug garfinkel, Children's Day School

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.

- Press [APPS] key
- Select Transfrm from the menu
- Press 1:Uninstall

- doug garfinkel, Children's Day School

Jan 15, 2008 | Texas Instruments TI-84 Plus Silver...

May 21, 2014 | Texas Instruments TI-89 Calculator

Feb 17, 2014 | Texas Instruments TI-89 Calculator

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Thanks I figured it out, my mode was in degree that was why! Thank you!

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