nspire--ipadapptutorial--slope
TRANSCRIPT
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TI-Nspire App Tutorial
The Slope of a Line Connecting Two Points
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Summary
• In this tutorial, you’ll be exploring the concept of slope. The steps in the tutorial include:
– Creating a Graph Window.
– Adding two points
– Connecting the points with a line.
– Using the Geometry measurement tools to measure the Slope.
– Manipulating the line to change the slope.
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Create a Graph Window
Click on the + tool to activate this menu.
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Deactivate the Keyboard
By default the keyboard is active. Click on the Keyboard button to deactivate it.
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Select the Geometry Tools
Click Menu. Then select Geometry > Points & Lines > Point.
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Place Two Points Onscreen
Note: You’ll have to reselect the Point tool to create the second point.
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Display the Coordinates
Press once on the point. Then press again to bring up the Coordinate option. Select it to display the coordinates.
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Display the Coordinates
Repeat with the other point.
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Construct a Line
Click Menu and select the Line tool
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Construct a Line
Click on the first point. Then click on the second point to construct the line.
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Measure the Slope
Click on Menu. Click on “Tools” to go back to the Menu that displays Measurement.
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Measure the Slope
Click on Menu. Click on “Tools” to go back to the Menu that displays Measurement.
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Measure the Slope
Click on the line and see the slope displayed.
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Change the Slope
Manipulate the line to see the slope change.
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Change the Slope
You can also click on the coordinates and input new ones to see the effect on the slope.