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200
5 (G-Solv)
1 (FOCS)
(Calculates the focus.)
5 (G-Solv)
4 (VTX)
(Calculates the vertex.)
•When calculating two foci for an ellipse or hyperbolic graph, press e to
calculate the second focus. Pressing d returns to the first focus.
•When calculating two vertexes for a hyperbolic graph, press e to calculate
the second vertex. Pressing d returns to the first vertex.
uu
uu
uTo calculate the latus rectum [G-Solv]-[LEN]
Example To determine the latus rectum for the parabola X = (Y – 2)
2
+ 3
Use the following View Window parameters.
Xmin = –1 Ymin = –5
Xmax = 10 Ymax = 5
Xscale = 1 Yscale = 1
5 (G-Solv)
5 (LEN)
(Calculates the latus rectum.)
uu
uu
uTo calculate the center and radius [G-Solv]-[CNTR]/[RADS]
Example To determine the center and radius for the circle
X
2
+ Y
2
– 2X – 2Y – 3 = 0
Use the following View Window parameters.
Xmin = –6.3 Ymin = –3.1
Xmax = 6.3 Ymax = 3.1
Xscale = 1 Yscale = 1
14 - 3 Conic Section Graph Analysis
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