Casio CFX-9970G Manuel - Page 4

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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)

A = 0 for AX

(3) Ellipse/hyperbola graph

A = 0 or B = 0

(X – 3)

Ymin

Ymax = 10

Yscale =

+ (Y – K)

= R

+ AY

+ BX + CY + D = 0

(Y – 1)

= –10

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