10.7 Plane Curves and Parametric Equations
EXAMPLE 2 Graphing a Curve Defined by Parametric Equations Using a
Graphing Utility
Graph the curve defined by the parametric equations
22 2 3
2
≤≤−== ttytx
SOLUTION We must first put the calculator into parametric mode. Press the
MODE button and use the arrows to highlight PAR and press
ENTER:
Now press the Y = button. Enter the equations as shown:
NOTE: When in parametric mode, pressing the X,T,
,n button
results in a T on the screen.
Press the WINDOW button and enter the values shown on page
692. Now press GRAPH to obtain the following:
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