20021201
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
