Drawing A Conics Graph; Drawing A Parabola - Casio ClassPad 300 User Manual

4-3 Drawing a Conics Graph

This section provides examples that show how to draw various types of conics graphs.

Drawing a Parabola

A parabola can be drawn with either a horizontal or vertical orientation. The parabola type is
determined by the direction of its principal axis.
k Drawing a Parabola that Opens Horizontally
A parabola with a horizontal axis is one whose principal axis is parallel to the
are two possible equations for a parabola with a horizontal axis:
x y 2
= A( – K) + H and
Example 1: To draw the parabola
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 "X = A(Y – K)
• 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, K = 1, H = –2.
(4) Tap ^ to graph the equation.
4-3-1
Drawing a Conics Graph
x y 2 y
= A + B + C.
x y
= 2( – 1)
2 + H" and then tap [OK].
20021201
2
– 2
x
-axis. There