19990401
u
To calculate the center and radius
[G-SLV]
-
[Center]/[Radius]
○ ○ ○ ○ ○
Example
To determine the center and radius for the circle
(X + 2)
2
+ (Y + 1)
2
= 2
2
Use the following V-Window settings.
Xmin = –6.3, Xmax = 6.3, Xscale = 1
Ymin = –3.1, Ymax = 3.1, Yscale = 1
4
(G-SLV)
b
(Center)
(Calculates the center.)
i
4
(G-SLV)
c
(Radius)
(Calculates the radius.)
u
To calculate the
x
- and
y
-intercepts
[G-SLV]
-
[X-Icpt]/[Y-Icpt]
○ ○ ○ ○ ○
Example
To determine the
x
- and
y
-intercepts for the hyperbola
(X – 3)
2
(Y – 1)
2
–––––––– – –––––––– = 1
2
2
2
2
Use the following V-Window settings.
Xmin = –4,
Xmax = 8,
Xscale = 1
Ymin = –5,
Ymax = 5,
Yscale = 1
4
(G-SLV)
g
(X-Icpt)
(Calculates the
x
-intercept.)
5-11-19
Function Analysis