Texas Instruments TINSPIRE Teacher Software Guidebook - Page 521

Moving a vector 1. From the Actions menu, select Pointer. 2. Click on any point other than the endpoint and drag the vector to the desired location. Resizing a vector ` Select an end point and drag it to increase or decrease the magnitude of the vector. Note: If the endpoint is located on an axis or another object, you can only move the endpoint of the vector along that object. Creating a tangent You can create a tangent by identifying a specific point on an existing object or function. To create a tangent line: 1. From the Points & Lines menu, select Tangent. 2. On the work area, select the point at which you want the tangent drawn. A dotted tangent line blinks on the work area. 3. Press · to anchor the tangent on the work area. Tangent of an object Creating and working with shapes You can use the Shape tools to draw many different geometric shapes. • Circles • Triangles • Rectangles • Polygons • Regular Polygons Graphs & Geometry 509