Table of Contents
Advertisement
Drawing a Circle by Specifying the Coefficient of a General Equation
Example: To draw the circle
Cla
Pad Operation
(1) In step (2) of the procedure under "Drawing a Circle by Specifying a Center Point and
Radius", select "AX
(2) Substitute the following values for the coefficients: A = 1, B = 4, C = –6, D = 9.
Drawing an Ellip e
You can draw an ellipse by specifying coefficients for the standard equation:
2
2
x
y
(
– H)
(
– K)
+
2
2
A
B
Example: To draw the ellipse
Cla
Pad Operation
(1) On the Conics Editor window, tap
• This displays the Select Conics Form dialog box.
(X – H)
(2) Select "
2
A
• 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.
Drawing a Conics Graph
2
2
x
y
x
+
+ 4
2
2
+ AY
+ BX + CY + D = 0".
= 1.
2
x
(
– 1)
+
2
2
2
2
(Y – K)
" and then tap [OK].
+
= 1
2
B
4-3-5
y
– 6
+ 9 = 0
2
y
(
– 2)
= 1
2
3
, or tap [Form] and then [Insert Conics Form].
20060301
Advertisement
Table of Contents
