Question about Texas Instruments TI-83 Plus Calculator

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I GRAPH THE EQUATION BUT I CANNOT SEE THE COORDINATE PLANE HOW CAN I FIX THIS

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Hit the [zoom] button. Then hit [6] which activates the ZStandard option in that menu. You can also hit the [window] button and play with options in that menu.

Posted on Sep 12, 2009

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Easy:

"2nd" "ZOOM" (So, the "Format" menu)

Make sure CoordOn is highlighted as well as "AxesOn".

Defaults:
(These should be highlighted on this menu)
RectGC
CoordOn
GridOff
AxesOn
LabelOff
ExprOn

Just make sure all of the first options for that menu are highlighted, and your problem should be solved!

Posted on Sep 10, 2009

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1 Answer

How should I set the v-window when I enter my distance equation?


The Window parameters control the width and length of the graphing screen. The distance equation is a formula to use to calculate the distance between two points known by their coordinates. The window dimensions have nothing to do with calculations. Or maybe I don't understand the question.

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1 Answer

Ti-Nspire gives me coordinates in radians when my mode is set to degrees.


That is a round-about way to solve cos(x)=0.543 by graphing. Use the inverse function of the cosine arccos or cos^-1
If cos(x)=0.543 then x=arccos(0.543)
To graph a trigonometric function it is more natural to use the radian as the unit. However in geometry it is more common to use the degree. To solve an equation like x=arccos(0.543) where you want the answer to be degree, change the document settings to make the default angle unit the degree.


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Make the graphing angle unit the degree and set that as default by selecting Make Default and press Enter.

Dec 15, 2013 | Texas Instruments TI-Nspire CX Graphing...

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.

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1 Answer

What is y+x = -4 , graph and find the y-intercept ?


Hey! The standard equation of a straight line is y=mx+b (wherein x&y are the coordinates, m is the slope of the line and, b is the y-intercept). Re-arranging your equation to follow the standard equation, you'll have y= -x - 4 or y=(-1)x + (-4).

To plot the equation, try substituting a number to the (x) coordinate to get the value of the (y) coordinate:
Ex:
If x=0, y= -4
If x=1, y= -5
If x=2, y= -6
If x=3, y= -7
Assuming you know how to plot these coordinates, you now have a graph of the equation. Hope I answered your query. Thank you.

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1 Answer

How to set a ti-84 to graph both sides of the equation separately on the same coordinate system.


If I'm understanding you correctly, you want to graph something like

5x+3=9

If this is correct, graph 5x+3 in the y1 line and 9 in the y2 line. To find the solution, you will press 2nd, then trace the intersection and hit enter 3 times. This will get the solution you need for the equation.

If this is not what you are wanting to do, you need to be try again and elaborate more.

Jun 28, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Today i was trying to graph y=2x+23, but when ever i would press graph it would pop up window variables domain. What do i do to fix this?


Your ranges for your window settings are more, or less out of bounds with the equation y=2x+23, that you entered.
Press the [green diamond], and the [F2] keys to bring up the graphing coordinates. Enter the following values to fix the graphing coordinates. Starting at the top, xmin= -8, xmax= 8, xscl=1, ymin=0, ymax=40, yscl=1, xres=2. Now, press the [green diamond], and the [F3] keys, and the graph should display.

Dec 18, 2010 | Texas Instruments TI-89 Calculator

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).

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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

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