13. Press
14. Press
15. Change the following variables to see the graph from the
origin.
Xmin
Xmax
= 5
Xscl
Ymin
Ymax
= 5
Yscl
TI-83 Plus Conic Graphing
to change the
= 0
= 125
= 0
= 25
to find the vertex, focus, and directrix.
CONIC WINDOW
settings.
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