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20050401
5-1-5
Sample Graphs
kk
kk
k How to draw a simple graph (3)
Description
Use the following procedure to graph the function of a parabola, circle, ellipse, or hyperbola.
Set Up
1. From the Main Menu, enter the CONICS mode.
Execution
2. Use the cursor fc keys to specify one of the function type as follows.
3. Input values for the required variables.
4. Graph the function.
Graph Type Function
Parabola X = A (Y – K)
2
+ H
X = AY
2
+ BY + C
Y = A (X – H)
2
+ K
Y = AX
2
+ BX + C
Circle (X – H)
2
+ (Y – K)
2
= R
2
AX
2
+ AY
2
+ BX + CY + D = 0
Ellipse (X – H)
2
(Y – K)
2
–––––––– + –––––––– = 1
A
2
B
2
Hyperbola (X – H)
2
(Y – K)
2
–––––––– – –––––––– = 1
A
2
B
2
(Y – K)
2
(X – H)
2
–––––––– – –––––––– = 1
A
2
B
2