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Table Of Contents
4. To manipulate an ellipse, drag any of its three defining points. To move it,
drag its perimeter.
Creating a Parabola (from focus and vertex)
1. From the Shapes menu, select Parabola. (In the Graphs application, click
Geometry > Shapes > Parabola.)
2. Click a location to establish the focus.
3. Click a location to establish the vertex and complete the parabola.
4. To manipulate a parabola, drag its focus or its vertex. To move it, drag it
from any other point.
Creating a Parabola (from focus and directrix)
1. Create a line to serve as the directrix.
2. From the Shapes menu, select Parabola. (In the Graphs application, click
Geometry > Shapes > Parabola.)
3. Click a location to establish the focus.
4. Click the line to establish it as the directrix.
Graphs Application 225