Casio fx-9860G User Guide - Page 133
Graphing a Conic Changing the Appearance of a Graph, Drawing a Line
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10. Graphing a Conic Section Important! • The fx-7400Gɉ is not equipped with the CONICS mode. I Graphing a Conic Section You can use the CONICS mode to graph parabolas, circles, ellipses, and hyperbolas. You can input a rectangular coordinate function, polar coordinate function, or parametric function for graphing. 1. From the Main Menu, enter the CONICS mode. 2. Select the function type. (RECT).... {rectangular coordinate} (POL).... {polar coordinate} (PARM).... {parametric} 3. Select the pattern of the function in accordance with the type of graph you want to draw. 1 U 4. Enter the coefficients of the function and draw the graph. Example To input the rectangular coordinate function x = 2y2 + y − 1 and graph a parabola open on the right, and then input the polar coordinate function r = 4cosQand draw a circle graph. KCONICS (RECT)A(X=AY2+BY+C)U AU@U @U(DRAW) )) (POL)AAAA(R=2AcosQ)U AU(DRAW) 11. Changing the Appearance of a Graph I Drawing a Line The sketch function lets you draw points and lines inside of graphs. You can select one of four different line styles for drawing with the sketch function. 5-27