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Y = 2sqr(x + 3) by graphing 5 points - Texas Instruments TI-89 Calculator

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Using Y=Editor for graphing function and table for 5 points.
See captured images


y = 2sqr(x + 3) by graphing 5 points - 12_22_2011_11_12_53_am.jpg

12_22_2011_11_13_30_am.jpg

Posted on Dec 22, 2011

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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.

e7963f8a-13fa-417a-857b-ca91636bf86b.jpg

Jan 06, 2016 | Office Equipment & Supplies

1 Answer

Help with Ti Inspire Cx calculator. It rounds up the coordinates when graphing


Draw the graphs of the functions you are interested in. While the graphs are displayed Press the Menu key. In the drop down window locate the sub menu Settings (number 8 or 9) depending on your calculator
The following screen is displayed with at the top the setting Float.

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6bb5d17f-69df-4ff9-9780-ed0a7be1d0aa.jpg
Follow the right pointing arrow on the same line as float and select Float 3 or 4 as on the screen capture that follows
ce766af9-0700-4826-b12a-0c98a9589a60.jpg

Point to the graph of one of the functions select it then press the menu select option Analyze graph then intersection.
979a4029-a5d4-484c-be0e-673f4e970f98.jpg


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You will be asked to select the second function, then the lower bound and upper bound. As you see on the previous screen capture, the coordinates of the intersection point are given with 3 decimal digits.

Apr 27, 2013 | Office Equipment & Supplies

1 Answer

HELP WITH TI INSPIRE CX calculator


Draw the graphs of the functions you are interested in. While the graphs are displayed Press the Menu key. In the drop down window locate the submenu Settings (number 8 or 9) depending on your calculator
6d8395f7-b10e-4d9e-a7e6-45beadb303a3.jpg76f72147-9dcf-457f-a122-ae70490e2815.jpgThe following screen is displayed with at the top the setting Float.
eb304039-5513-442e-886f-d435de8aa653.jpgFollow the right pointing arrow on the same line as float and select Float 3 or 4 as on the screen capture above.
0c4e79fb-d2eb-4461-821f-87adbd63b387.jpgPoint to the graph of one of the functions select it then press the menu select option Analyze graph then intersection. You will be asked to select the second function, then the lower bound and upper bound. As you see on the previous screen capture, the coordinates of the intersection point are given with 3 decimal digits.
3acdb05f-f573-4e5e-a467-03db35a80ea2.jpg

Apr 27, 2013 | Texas Instruments TI-Nspire Graphic...

2 Answers

Can you find stationary points of this equation ((x-1)^1/3)*((x+2)^2/3))


There is only one stationary point for the function y(x)=((x-1)^(1/3))*((x+2)^(2/3)) and it is pointwith coordinates x=0 and y=-1.5859

At first, first derivation is y'(x)=x/((x-1)^(2/3))*((x+2)^(1/3)) and we obtained that y'(0)=0. Then we can find second derivation of the function and for value x=0 we could concluded that y''(0)>0. In this stationary point it is minimum value of the function.
Finally, at the points x=-2 and x=1 we have so called critical values for this function.
See captured images below

1. Second derivation for y(x)
3_28_2012_11_38_47_pm.jpg


2. Graph y(x)
3_28_2012_11_40_12_pm.jpg


3. Enlarged detail of the graph y(x)
3_28_2012_11_42_49_pm.jpg

Mar 27, 2012 | Texas Instruments TI-89 Calculator

1 Answer

How do i solve y=x-3


y = x -3
This is a linear problem- so the usual way to solve the graph would be to solve where x = 0 and y= 0
if you use the format y = slope (m) * x + y intercept (b)- you would set y = 0
at that point it would be 0 = x -3 x = 3 Therefore where y = 0, x = 3. In a graph, that would point to the coordinate (3,0) for the x-intercept. To find the y-intercept, you'd set x = 0 at that point, you'd have the y-intercept being (0,-3)
so if y = 1, x would be 4; if y = 2, x = 5, and so on

Jun 22, 2011 | Computers & Internet

1 Answer

I have a Casio MS-8TV calculator and want to change the VAT rate to 20% (usage in UK), please. Val


How do I program tax rate into my calculator?
Non-printing models (also applies to HR-8TE printing calculator):

1. Press [AC]
2. Hold [SET/%] key for about 2 seconds
3. Press [TAX+]
4. Input the tax rate
5. Press [SET/%]


Printing models (except HR-8TE):

1. Have calculator in "print" mode
2. Press [CA]
3. Hold [SET/%] key for about 3 seconds
4. Input the tax rate
5. Press [TAX+]
6. Press [SET/%]
^Top I am having a problem registering the ClassPad 300, it keeps telling me my product key is wrong.
Enter only the numerals, not the letters.
^Top What features do our calculators have?
The attached chart shows comparisons of the different calculator models. This includes graphing, scientific and printing calculators. download the chart here
^Top What is the [F CUT 5/4] switch or [DEC] F, 0, 2 button for?
The HR-8TE/HR-8TM have a [DEC] key with F, 0, 2, and 5/4 over it, while many other calculators models have a switch labeled [F CUT 5/4].
The button or switch can control rounding off to a certain number of decimal places. F is floating point (no F indicator on screen), 0 rounds off to 0 places after decimal point, and 2 rounds off to 2 places after decimal point.
The 5/4 applies to either the 0 or 2 modes, and describes the type of rounding off that is performed. The calculator will round down if the digit after the one you are rounding to is 4 or lower, and round up if the digit is 5 or higher.
^Top What is the [5,4,3,2,1,0 ADD (2)] switch used for?
This switch is used to determine how many decimal places your answer is displayed in.
ADD (2) is often used for monetary calculations, so that it is not necessary to enter the decimal point. It is automatically placed two decimal places from the end for cents. For example, entering 123 will display as 1.23.
^Top Why do I get 111.1111... when I calculate 100+10%?
This is a markup on price procedure. The formula is as follows:
Markup%=(Markup Price-Cost)/(Markup Price)
^Top Why do I get the wrong answer when doing a percent calculation?
Make sure that you are following the correct procedure.
Adding 10%: 200 [×] 10 [%] [+]
Subtract 10%: 200 [×] 10 [%] [-]
^Top What tests are calculators permitted for?
AP Calculus requires a graphing calculator.
Any graphing or scientific calculator is permitted on the following as long as it does not have a QWERTY keyboard, electronic writing pad or a pen-input/stylus-driven interface:
PSAT/NMSQT, SAT I
SAT II Math, IC & IIC
AP Statistics (graphing expected)
AP Chemistry
AP Physics

May 27, 2011 | Casio Parts Cash Register PC Desktop

1 Answer

How to graph points on an "X" and "Y" graph


click the STAT key, then edit (first option). enter X points in L1 and Y points in L2 so that the number matches up with the number across from it, making coordinates. so if the points were (1,2) , (3,4) , and (5,6), the 1,3, and 5 are in L1 and 2,4, and 6 are in L2 in that order. click 2ND, STATPLOT and hit enter to chose the settings (so make sure ON is highlighted). this is where you can change which list X or Y uses (so X doesnt have to be L1). lastly, make sure that the WINDOW settings are matching your data (Xmin is smallest X, Xmax is largest X, X scale is when the hash-marks should apear on the graph (to turn them on go to 2ND, FORMAT) and when you hit the GRAPH key, your graph should apear. also, to make your window a different size easily, use the ZOOM key near the GRAPH key.

Jan 25, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Please help plotting graphs on TI-83 plus


I believe I already showed you with a profusion of details how to graph functions on the calculator. It would very kind of you to refer to the post that answered your question, so as not to make us answer it all over again. Much appreciated.

Read the following to use the intersection function.
  1. You draw two or more graphs.
  2. After the graphs are displayed, press [2nd][TRACE] to access the (CALC)ulate menu.
  3. Select [5:Interesct]
  4. You will be prompted for a first curve: the equation of the curve will be displayed at the top left corner of the screen. If it is one the intersecting curves, press [ENTER]
  5. You will be prompted for the second curve. (You can move from one curve to another by pressing the UpArrow or DownArrow).
  6. After two curves are selected, you will be prompted for a guess for the X-value of an intersection point: you can use the keypad to enter a guess or use the left or right arrow to move the cursor towards a point of your choosing (if there are more than one point).
  7. After a short while the calculator gives you a solution.
  8. If it fails, you must make a better guess.

Here are some screen captures
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May 12, 2010 | Texas Instruments TI-83 Plus Calculator

4 Answers

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)= ...)

May 18, 2008 | Texas Instruments TI-89 Calculator

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