8-2-14

Drawing Figures

STo draw a hyperbola

Note

A hyperbola is the locus of points, the difference of whose distances from two fixed points (called foci) is a given value. A hyperbola drawn using the [Hyperbola] command is drawn in accordance with this definition. When you draw a hyperbola with the [Hyperbola] command, you need to specify three different points: two foci (Point 1 and Point 2) and one point anywhere on the hyperbola (Point 3).

Point 1 .............

A

Point 2 .............

B

Point 3 .............

C

(1)Tap [Draw] and then [Hyperbola].

This highlights the hyperbola button on the toolbar.

(2)On the screen, tap the two points that you want to specify as the foci of the hyperbola (Point 1 and Point 2).

This causes a line to appear between Point 1 and Point 2.

Instead of tapping two points as described above, you could also specify the two foci by tapping to define Point 1 and then dragging the stylus across the screen to Point 2.

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