To find the extremum of the quadratic

H I N T

18.Display the numerical value of the integral.

2.a

Note: See “Shading area” on page 3-10 for another method of calculating area.

19.Move the cursor to the quadratic equation and find the extremum of the quadratic.

*k,￿0(18a )&1a

Select Extremum 2.a

The coordinates of the extremum are displayed at the bottom of the screen.

The Root and Extremum functions return one value only even if the function has more than one root or extremum. The function finds the value closest to the position of the cursor. You need to re-locate the cursor to find other roots or extrema that may exist.

Display the numeric view

Set up the table

20.Display the numeric view.

>180@

21.Display the numeric setup.

>6+,)7@SETUP-NUM

See “Setting up the table (numeric view setup)” on page 2-16 for more information.

3-6

Function aplet