Casio CFX-9970G User Manual page 217

14 - 2
Graphing an Implicit Function
Example 2
1. Select the function whose graph you want to draw.
2. Press w and the variable input screen appears.
3. Assign values to each variable.
4. Press 6 (DRAW) to draw the graph.
k k k k k Implicit Function Graphing Precautions
To graph the hyperbola –––––––––– – –––––––––– = 1
Use the following View Window parameters.
Xmin = –8
Xmax = 12
Xscale = 1
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• Assigning the following types of values to variables contained in built-in
function produces an error.
(1) Parabola graph
A = 0
(2) Circle graph
R = 0 for (X – H)
2
A = 0 for AX
(3) Ellipse/hyperbola graph
A = 0 or B = 0
(X – 3)
2
Ymin
Ymax = 10
Yscale =
2 + (Y – K) 2 = R 2
2
+ AY + BX + CY + D = 0
2 2
(Y – 1)
2 2
2
= –10
1
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