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14-1 Before Graphing a Conic Section
kk
kk
k Entering the CONICS Mode
1. In the Main Menu, select the CONICS icon and enter the CONICS Mode.
When you do, the following built in function menu appears on the screen.
2. Use f and c to highlight the built-in function you want, and then press w.
The following nine functions are built in.
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
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