# data[].attributes.headline
How to adjust window settings? - Keating

# data[].attributes.subject
How to adjust window settings? - Keating

# data[].attributes.body
Press menu -->  Window/zoom -->  Choose either [zoom-in] or [zoom-out] and click on the screen to either zoom in our out with the respective tools.

# data[].attributes.body
after creating two equations, press Ctrl + T to create a table of value for teh graph

# data[].attributes.headline
To figure out if something is true or false 

# data[].attributes.subject
To figure out if something is true or false 

# data[].attributes.body
Write an equation with an equal sign and it will tell you if it is correct

# data[].attributes.body
You have to choose zero in the analyse graph option and highlight the 2 portions where you can see the x-intercept.

# data[].attributes.body
1. Create a graph
2. Type your equations in
3. Then press ctrl T to see a table view

# data[].attributes.body
Graphing Quadratic Functions->Add the graph->Analyze Graph Function->Fin the Coordinate of the X-intercepts->Then do the Y-intercept->split the screen table->Then Trace the function-> Axis of Symmetry->Domain-> Range

# data[].attributes.body
1. Press Menu
2. Select 6 analyze graph
3. Select 4 intersection

# data[].attributes.body
1. start a new document
2. click 'add graphs'
3. enter your quadratic equation

-hnin

# data[].attributes.body
1.) Press Menu
2.) Press 3/ Polynomial Tools
3.) Press 1/ Find Roots of Polynomial
4.) Ensure the degree is '2' if you are trying to find the roots of a quadratic equation
5.) Press "OK"
7.) Then insert the corresponding values for your a, b and c value.
8.) Your answer will be the x-intercepts of your parabola. Also known as the roots.
Ensure to use this method to check your answer rather than using this method to find your answer. This function will be disabled during Test Mode.
- Ashna

# data[].attributes.body
To delete all the lines that have been plotted on the graph at once control + menu and click on option number six (delete all).

# data[].attributes.body
Go to New and press Calculator.
Type your trignometric equation.
For example, sin39 x 40 = x.
To get the trignometric functions, press the button saying "trig" right beside the = sign.
You can choose your options and switch it around by moving with the control bar up top.
When you're done, press enter and you get your answer in fraction, decimal or whole number form.

# data[].attributes.body
If you want to change the view of the graph (adding grid lines, dot grid) - Josh

1. Go onto menu
2. Next go onto settings (9)
3. Now click on the grid button which will allow you to change the grid pattern on your graph sheet

# data[].attributes.body
1. Go to the 'graph' scratchpad or graph section.
2. Put in a equation for the parabola.
3. If the parabola comes into contact with the Y-axis, but the exact number is not clear. click on 'menu'
4. Click on section '5': Trace
5. Click on 1: Graph trace.

# data[].attributes.headline
Finding points on parabolas using table - Quy

# data[].attributes.subject
Finding points on parabolas using table - Quy

# data[].attributes.body
1. Enter the equation for one or more parabola
2. Click menu
3. Select 7 (Table)
4. Click 1 (Split-screen Table)

# data[].attributes.headline
Plotting and Finding Intercepts (Adriano)

# data[].attributes.subject
Plotting and Finding Intercepts (Adriano)

# data[].attributes.body
How to plot a point/equation:  1, 2 and then click tab.  Example x = 2

Intercept:
x intercept: 6, Zero and then drag to y axis
Minimum: Menu, 6, 2 and drag until it stops

Window Settings:
XMin: -10
XMax: 10
XScale: Auto
YMin: -5
YMax 10

# data[].attributes.body
1. go to the "Graph" section
2. put in your equation for your parabola
3. if it comes in contact with x-axis but you don't know the exact number, click "Menu
4. scroll to "6 Analyze Graph
5. click " 1 Zero"
6. click once where on the left side of an x-intercept
7. drag the scan until you pass the x intercept and there will be a value of the x-intercept on the point
8. If you have another x-intercept, repeat step 3-7 for it

# data[].attributes.body
1. Press Graph
2. State your function
3. Click menu
4. Click Analyse graph
5. Click Minimum or Maximum

# data[].attributes.body
Zayna
Press [DOC]→Insert→Graphs. Press [MENU]→View→3D Graphing

# data[].attributes.body
1.press menu
2.press analysis graph
3 press minimum or maximum
4. if the graph is positive then is minimum, negative is maximum.

# data[].attributes.body
Insert, list and spreadsheet, control "i" to get to menu/insert.

# data[].attributes.body
On the home tab, we can see two headlines the Scratchpad and Documents.

Under the Documents, the first tab will help get a new document either to graph or do calculation.

Or
when you are inside the scratchpad. Click on "Scratchpad" at the top, then click 4, then 2.

# data[].attributes.body
Vertex: Menu- 6- 2/3
X intercept: draw a line y=0, menu- 4- select the part that the graph meets y=0
Y intercet: draw a line x=0, menu-4-select the part that the graph meets x=0

# data[].attributes.body
You can use normal PC shortcuts on the nspire in the same way you'd use them on a computer
ctrl + c = copy
ctrl + x = cut
ctrl + v = paste
etc...

# data[].attributes.body
control 'T' quick way of opening graphing table, and create integer of X

# data[].attributes.body
1. press 'menu'
2. click '6 - Analyze graph'
3. find '4 - Intersection'

# data[].attributes.body
- Press MENU
- #5
- #1 to TRACE the graph.

# data[].attributes.body
Method 1 (Window Settings):
1. Press menu
2. Go to Window/Zoom (4)
3. Select 'Window Settings'
4. add in your custom values

Method 2 (set the values on the graph):
1. Go to the little number on the graph
2. Click on them and change the values manually

# data[].attributes.body
1. Press Menu
2. Press 6 / Points and Lines
3. Press 3 / Intersection points

# data[].attributes.headline
Reflecting a parabola in the x-axis (Lisa)

# data[].attributes.subject
Reflecting a parabola in the x-axis (Lisa)

# data[].attributes.body
1. create a initial equation (Y=X2)
2. press tab
3. Y= -f1(x)

# data[].attributes.body
Go to Menu>6>2 or 3 depending on whether the graph has a min or max and select the vertex to find the coordinates of the vertex.

# data[].attributes.body
1. Press Menu
2. Press Settings
3.  You can modifiy the window setting if you need to.

# data[].attributes.headline
How to use the answer you achieved previously in further calculations (Randy)

# data[].attributes.subject
How to use the answer you achieved previously in further calculations (Randy)

# data[].attributes.body
If you want do you use your previous answer select the ctrl and (-), this is the answer command and allows use to reuse your answer.

# data[].attributes.body
Write the equation y=x^2 into NSpire. Then, create a new graph with the exuation y=-f1(x).

# data[].attributes.body
To find the maximum or minimum of a parabola

1. Press Menu
2. Scroll and click 6 (Analyze Graph)
3. Click right and scroll to 2 or 3 depending on which way the parabola opens up.
4. Click max or min depending on the parabola,
5. click and the click again between the parabola (selecting lower & upper bound)
6. A point will show up and that is your minium or maximum

# data[].attributes.body
In order to find a specific point on a graph, using graph trace tool is useful.

1. Press menu -- Trace -- Graph Trace
2. Move the arrow keys to any point that you want to analyse and the point should be visible in the bottom right corner.

# data[].attributes.body
1. Create a Parabola (y = x2)
2. Go to 'Menu'
3. Go to the sixth option, 'Analyse Graph
4. Go to the bottom, 'Analyse Conics'
5. Click on 'Axis of Symmetry'

# data[].attributes.body
You can use the up (^) arrow to bring up previous equations and answers to use them in your current calculations.

# data[].attributes.body
Something that some people forget how to do is to do powers over 2.

When trying to do the power of something over 2, use the carrot button (^) and after you implement one of those carrots put any number after it to make the number before the carrot to the power of that number that's after it.

# data[].attributes.body
You can use the 'Convert to Decimal' function to quickly convert a fraction to a decimal. This is found in Menu --> Number --> Convert to Decimal

- Ex. 8/21 > Convert to Decimal --> Enter = 0.380952
ctl enter

# data[].attributes.body
Click Graph
Input equation
click Menu
click on maximum or minimum

# data[].attributes.body
finding the angle
go to new and choose calculator.
enter your equation and use the trig button, with the (-1)
(eg. sin-1 = 40/21)
the answer is the angle :)
- Shanzay

# data[].attributes.body
1. Enter the left side of the equation as f1(x).
2. Enter right side of the equation as f2(x).
3. Check to see if you need to adjust your window to see where the two graphs intersect.
4. Find the point of intersection (the answer).
(MENU - #6 Points & Lines - #3 Intersection Points) Click on both graphs.
5. The ordered pair (2,9) is the intersection with the x-value being

# data[].attributes.body
1.Graph Analysis--> zero
2 Press in front of one of the x intercept and then drag it over that singular x intercept and press again.

# data[].attributes.body
If you want to add another equation press tab then write the equation.

# data[].attributes.body
nSolve(sin(x)=3/5,x)

# data[].attributes.body
How to find the length
Put the angle and the other length by using the trig button (eg. Cos40 = 42/x, and find the x by take Cos40 x 42 )
So the answer is the length.
- Mary