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4-2 Inputting Equation
This section explains the various ways you can input equations using the Conics Editor
window.
U ing a Conic Form to Input an Equation
Preset formats can help you input conics equations quickly and easily. The following table
contains a complete list of the types of equations that you can input just by tapping [Form]
and then [Insert Conics Form].
Conics Forms
4-2-1
Inputting Equations
Horizontal Parabola 1
·
x
A
y
K
H
=
(
–
)^2 +
Horizontal Parabola 2
·
·
x
A
y
B
y
C
=
^2 +
+
Vertical Parabola 1
·
y
A
x
H
K
=
(
–
)^2 +
Vertical Parabola 2
·
·
y
A
x
B
x
C
=
^2 +
+
Circle 1
x
H
y
K
(
–
)^2 + (
–
)^2 =
Circle 2
·
·
·
A
x
A
y
B
x
^2 +
^2 +
Ellipse
)^2 ÷
x
H
A
y
(
–
^2 + (
–
Horizontal Hyperbola
)^2 ÷
x
H
A
y
(
–
^2 – (
–
Vertical Hyperbola
)^2 ÷
y
K
A
x
(
–
^2 – (
–
General Form
·
·
·
·
A
x
B
x
y
C
y
^2 +
+
20060301
Equations
R
^2
·
C
y
D
+
+
= 0
)^2 ÷
K
B
^2 = 1
)^2 ÷
K
B
^2 = 1
)^2 ÷
H
B
^2 = 1
·
·
D
x
E
y
F
^2 +
+
+
= 0
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