User Manual

© 2006 TEXAS INSTRUMENTS INCORPORATED TI-30XS MultiView: A Guide For Teachers 99
On your own:
Start at 17 and change the step size
to 0.25. What happens around
x = 18? Can you locate the vertex?
Why?
After searching close to
x = 18, the
point (18, 324) appears to be the
vertex of the parabola since it
appears to be the turning point of the
set of points of this function.
-15 $ 1
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<$ $
$ $
Using auto (Continued)
o