Texas Instruments TI-89 Manuel D’Utilisation
Activities
768
6. In the
Y=Editor
, press:
8 Í
and set the Graph Format variables to:
and set the Graph Format variables to:
Axes=
ON
Labels= ON
Style=
Style=
HIDDEN SURFACE
Note:
Calculating and drawing the graph
takes about three minutes.
7. Graph the modulus surface.
The 3D graph is used to visually display a
picture of the roots where the surface
touches the
picture of the roots where the surface
touches the
xy
plane.
8. Use the Trace tool to explore the function
values at
x=1
and
y=0
.
9. Use the Trace tool to explore the function
values at
x=0
and
y=1
.