Press the $x,T,,n$ key. What do you see?

Press the $Y=$ key. If anything is in there, clear it out. Enter $2x^2-5$ for $Y_1=.$

Press the $[$WINDOW$]$ key.

If any of the values are different from the ones listed below, change them.

xmin$=-10$

xmax$=10$

$xscl=1$

Ymin$=-10$

Ymax$=10$

$Yscl=1$

Xres $=1$

Press the $[$GRAPH$]$ key. Sketch what appears...

be as precise as you can.

Press $[$TRACE$].$ Use the left and right arrows to move the "cursor" along the graph.

Press $[2^{nd}][TBLSET].$

Ignore the Tb$/$Start $=$ and the $Tbl=$ information.

Select the following:

Ask

Depend: Auto Ask

Press $[2^{nd}][TABLE].$ Complete the table by entering the $x-$values and $[$ENTER$].$

$**$ To get to your home screen from any of these windows, use $][$QUIT$].**$

When finished with this worksheet, go to:

$[2^{nd}],[+],7$:Reset... $1$:All RAM... $2$:Reset