Getting Started: Roots Of A Function - Texas Instruments TI-82 STATS Manual Book

Getting Started: Roots of a Function

Getting Started is a fast-paced introduction. Read the chapter for details.
Evaluate the function Y = X
sign changes occur, and at what
1. Press z † † † Í to set
graphing mode.
2. Press o. Press „ 
Then press ¹
2
3
.
Y =X
N2X
1
3. Press y [
TBLSET
screen. Press Ì
SETUP
. Press
TblStart=L10
Press Í to select
(automatically generated independent values).
Press † Í to select
(automatically generated dependent values).
4. Press y [
TABLE
5. Press † until you see the sign changes in the
value of . How many sign changes occur,
Y
1
and at what values?
X
7–2 Tables
3 N 2X at each integer between L10 and 10. How many
values?
X
Func
to select
3
„ to enter the function
] to display the
TABLE
Í to set
10
Í to set
1
@Tbl=1
Indpnt: Auto
Depend: Auto
] to display the table screen.
3
.
.