Question about Texas Instruments TI-84 Plus Calculator

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I can only see the line of the graph

I can not see the entire graph. I can only see the line

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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.

Posted on Apr 27, 2010

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2 Answers

How do I graph x<-3 on the calculator?


First you must use a graphing calculator.
Most graphing calculators graph functions, i.e. relations of the form y=f(x).
Some graphing calculators are able to graph equations (not necessarily functions). On one of these calculators your draw the vertical line x=-3, then you shade to the left of the point x=-3. That gives you the real line from infinity up to but not including x=-3.
Generally, people do not need calculators to find the solutions to inequalities in just one variable.

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Jan 06, 2016 | Office Equipment & Supplies

1 Answer

Calculate the slope of the secant line through the points on the graph where x=1 and x=3.


You have to provide the graph. Depending on the graph, the slope of the secant line can be just about anything.

Jan 30, 2015 | Office Equipment & Supplies

1 Answer

How do i find slope and then graph it


Select two points P1 and P2 on the line. Read their coordinates P1(X_1, Y_1), and P2(X_2, Y_2). If the points are given to you that is even better: you will not have to approximate their coordinates.
The slope of the straight line that passes through P1 and P2 is the ratio s=(Y_2-Y_1)/(X_2-X_1).
A slope is a number and cannot be graphed. The line that has the slope can be graphed if you have its complete equation y=slope*x + initial value.
To graph a curve on the TI84 open the Y= editor, type in the second member (right side) of the function say on line Y1= then press the Graph function key.

Feb 05, 2013 | Texas Instruments TI-84 Plus Calculator

1 Answer

Will not graph sin/cos/tan properly


Make sure you have the angular mode set to radians. In degree, the graph of sine(x) is nearly a straight line for small values of x.

May 08, 2012 | Texas Instruments TI-Nspire CAS Graphing...

1 Answer

I am trying to graph function x^2+y^2+4z=10


  1. In Home, Press the MODE button.
  2. On line Graph, use right arrow to unfold the graph menu and select 3D.
  3. Press [2nd][QUIT] to go back to HOME screen.
  4. Enter the [Y=] editor.
  5. On line z1= type in the expression (10-x^2-y^2)/4
  6. Press the appropriate key sequence to [GRAPH] (on my Voyage 200PLT, I press [diamond R]
  7. While graph is displayed you can press the F2 key to access the ZOOM functions.

May 04, 2011 | Texas Instruments TI-89 Calculator

1 Answer

When graphing the function (x+6)/(x-7) I'm getting a vertical line showing up on the graph connecting the two curves that shouldn't be there. do I have something turned on that shouldn't be?


The vertical line is called an asymptote, it is not connecting the graph, it means that the function goes to infinity as the function nears the line. In this case the graph goes to infinity and negative infinity as the x nears 7. This is because the function becomes undefined at x = 7 , plug 7 into x and we get 1/0, dividing by zero is undefined. Thus, the calculator puts the vertical asymptote in the graph to symbolize the action of the function nearing infinity.

Apr 02, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do I get it to graph something like y<2x


Press the Y= key. In the Y1= line, enter 2x+1 for the expression. Repeatedly press the left-arrow key until the cursor blinks over the down-sloping diagonal line at the very left of that line. Press ENTER three times to change the graph mode to a triangle below the diagonal. Press the GRAPH key to see the graph.

If you still have trouble, reply to this post and describe what you're getting.

Feb 06, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

I can't graph more than one equation in the y= area of my Ti 84+


Hello,
The marking that so puzzle you define the type of line (or dots) to represent the graphs. Enter as many functions as there are Y variables.
After entering a function press [ENTER] to jump to the next one.
When finished entering all functions press GRAPH. If you want graphs drawn one after the other, in MODE highlight Sequential (6th line) and press ENTER. If you want graphs drawn simultaneously, in MODE (6th line) highlight Simul and press ENTER. Press 2ND QUIT to return to previous screen . Execute graph again.
Hope itr helps.

Sep 23, 2009 | Texas Instruments TI-83 Plus Silver...

1 Answer

The calculator is only graphing a half circle when it should be a full circle, specifically not in the negative y-values of the plane.


A circle is not a function and cannot be graphed in the regular y=screen. You can graph a circle in parametric mode.

To graph a circle in the regular y= screen, you have to graph it in 2 lines on the y= screen. I assume you've solved for y and gotten a square root equation. Remember a square root can be positive or negative. In line 1 of y= screen graph what you've been graphing and then graph the same equation in line 2 but with a negative in front of the equation. You'll get something that looks like an oval since the calculator screen is rectanglular. To make it look more circular (both parts aren't going to connect), press zoom and then select #5 (square).

Aug 01, 2009 | Texas Instruments TI-83 Plus Calculator

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