Texas Instruments TI-73 Teachers Manual page 48

Measurement and Geometry
11. View and trace the graph.
* )
! or " to trace until
Ask: What is the value of Y? What does this point
represent? (When time = 0, there is no water.)
12. Now look at this same information in a table.
- f (above the ' key)
The screen should look like the one at the right.
- i (above the * key)
13. Scroll down (#) in the
Ask:
What is in the
What does this value mean?
Is this the same amount of water that you calculated
on the Home screen for 1 day?
Wrap-up for Part A
Using the table, have students answer these questions.
How much water would be wasted if the drip
continued over a weekend?
How much water would be wasted over the Christmas
holiday?
How much water would be wasted in a year?
How long would it take to fill our classroom with
water?
Make sure students have completed their activity
sheets.
X=0
column to
X
column?
Y
1
Activity 8: Drip, Drip, Drip
.
24
© 1998 T
43
If you want to go directly
to X=24, set your table
start ( ) to 24 on
TblStart
the TABLE SETUP screen
(- f ).
I I
EXAS NSTRUMENTS NCORPORATED