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20050501
4-3-6
Drawing a Conics Graph
Drawing a Hyperbola
A hyperbola can be drawn with either a horizontal or vertical orientation. The hyperbola type
is determined by the direction of its principal axis.
k Drawing a Hyperbola that Opens Horizontally
The standard form of a hyperbola with a horizontal axis is:
Example: To draw the hyperbola with a horizontal axis
u ClassPad Operation
(1) On the Conics Editor window, tap q, or tap [Form] and then [Insert Conics Form].
• This displays the Select Conics Form dialog box.
(2) Select “ ” and then tap [OK].
• This closes the Select Conics Form dialog box, and displays the selected equation in
the Conics Editor window.
(3) Change the coefficients of the equation as follows: A = 2, B = 3, H = 1, K = 2.
(4) Tap ^ to graph the equation.
(x – H)
2
–
(y – K)
2
= 1.
A
2
B
2
(x – 1)
2
_
(y – 2)
2
= 1
2
2
3
2
(X – H)
2
–
(Y – K)
2
= 1
A
2
B
2
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