231
uu
uu
uTo calculate the x- and y-intercepts
Example To determine the x- and y-intercepts for the hyperbola
(X – 1)
2
(Y – 1)
2
–––––––––– – –––––––––– = 1
2
2
2
2
Use the following View Window parameters.
Xmin = –6.3 Ymin = –3.1
Xmax = 6.3 Ymax = 3.1
Xscale = 1 Yscale = 1
5 (G-Solv)
2 (X-IN)
(Calculates the
x-intercept.)
5 (G-Solv)
3 (Y-IN)
(Calculates the y-intercept.)
• Press e to calculate the second set of
x-/y-intercepts. Pressing d returns to
the first set of intercepts.
uu
uu
uTo draw and analyze the axis of symmetry and directrix
Example To draw the axis of symmetry and directrix for the parabola
X = 2(Y – 1)
2
+ 1
Use the following View Window parameters.
Xmin = –6.3 Ymin = –3.1
Xmax = 6.3 Ymax = 3.1
Xscale = 1 Yscale = 1
5 (G-Solv)
1 2 3456
123 456
Implicit Function Graph Analysis 14 - 3
1 2 3456
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