Casio CFX-9970G Manual
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19914-3 Implicit Function Graph AnalysisYou can determine approximations of the following analytical results using implicitfunction graphs.• Focus/vertex calculation• Latus rectum calculation• Center/radius calculation• x-/y-intercept calculation• Directrix/axis of symmetry drawing and analysis• Asymptote drawing and analysisAfter graphing an implicit function, press 5 (G-Solv) to display the GraphAnalysis Menu.Parabolic Graph Analysis• {FOCS} ... {determines the focus}• {SYM}/{DIR} ... draws the {axis of symmetry}/{directrix}• {VTX}/{LEN} ... determines the {vertex}/{latus rectum}Circle Graph Analysis• {CNTR}/{RADS} ... determines the {center}/{radius}Ellipse Graph Analysis• {FOCS}/{X-IN}/{Y-IN} ... determines the {focus}/{x-intercept}/{y-intercept}Hyperbolic Graph Analysis• {FOCS}/{X-IN}/{Y-IN}/{VTX} ... determines the {focus}/{x-intercept}/{y-intercept}/{vertex}• {ASYM} ... {draws the asymptote}The following examples show how to use the above menus with various types ofimplicit function graphs.uuuuuTo calculate the focus and vertex [G-Solv]-[FOCS]/[VTX]Example To determine the focus and vertex for the parabolaX = (Y – 2) 2 + 3Use the following View Window parameters.Xmin = –1 Ymin = –5Xmax = 10 Ymax = 5Xscale = 1 Yscale = 1 |
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