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TI‐Nspire Mini‐Tutorials
Finding the Zeros of a Quartic Function Using Function
Intersection
Summary of Keystrokes
Create a graph window:
c62
Graph the quartic function:
Xl4¢-7rX
l3¢+11rXq-
12·
(Reset Window as necessary to show all zeros.)
Activate function intersection:
b63
(Use ¡ ¢¤` to hover over the graph of the quartic. Press . ·
Repeat with the horizontal axis. The zeros should be highlighted as points.)
b17
(Use ¡ ¢¤` to hover over the points that define the zeros. Press
· at each point to see the coordinates.)
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