Casio FX-9750G Руководство - Страница 10

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Graphing with the Sketch Function

k k k k k Drawing a Line

To draw a line on a graph, first display the sketch menu and then press 6 (g) 2

(LINE) to display the line menu.

u u u u u To draw a line between two plotted points in the STAT, GRAPH,

TABLE, RECUR and CONICS Modes

Example

1. After graphing the function, display the sketch menu and perform the following

2. Use the cursor keys (f, c, d, e) to move the pointer to one of the points of

3. Use the cursor keys to move the pointer to the other point of inflection.

6(g)2(LINE)

1 (Line) ........ Draw a line between two plotted points

2 (F•Line) .... Draw a line

To draw a line between the two points of inflection on the graph

(

Use the same View Window parameters as in the example on page

176.

operation to cause the pointer to appear on the graph screen.

!4(Sketch)6(g)1(PLOT)1(Plot)

inflection and press w to plot it.

d ~ df ~ f

e ~ ec ~ c

+ 2)(

– 2)

1 2

3 4 5 6

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