Texas Instruments TI-73VSC Teachers Guide - Page 49

to clear a line

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44 Using the TI-73: A Guide for Teachers Measurement and Geometry Activity-Part B Have students perform the steps unless otherwise indicated. 1. Ask students: If the faucet were dripping twice as fast, what would be the volume after 1 hour? After 2 hours? 2. Tell students to predict what the graph of this equation would look like compared to the graph in Part A, step 11. 3. Use the Manual-Fit function to plot these data points for 1 hour and 2 hours. a. First, change the settings for the viewing window. ' Enter the numbers as shown in the screen at the right. Use # to move down the fields. b. Now return to the Home screen and clear a line. - l to return to the Home screen : to clear a line Be sure you're on a clear line because Manual-Fit must display on its own line. c. Access the - v CALC menu and select Manual-Fit. - v " " " [ d. Access the - } menu and select Y1. - } (above the 9 key) Z b e. Now display the graph. b If you change your mind after pressing b, you'll have to press ^ to get out of the Manual-Fit screen. © 1998 TEXAS INSTRUMENTS INCORPORATED

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44
Using the TI-73: A Guide for Teachers
Measurement and Geometry
© 1998 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
Activity
—
Part B
Have students perform the steps unless otherwise
indicated.
1.
Ask students:
If the faucet were dripping twice as
fast, what would be the volume after 1 hour? After 2
hours?
2.
Tell students to predict what the graph of this equation
would look like compared to the graph in Part A, step
11.
3.
Use the
Manual-Fit
function to plot these data points
for 1 hour and 2 hours.
a.
First, change the settings for the viewing window.
'
Enter the numbers as shown in the screen at the
right. Use
#
to move down the fields.
b.
Now return to the Home screen and clear a line.
-
l
to return to the Home screen
:
to clear a line
Be sure you’re on a clear line because
Manual-Fit
must display on its own line.
c.
Access the
-
v
CALC
menu and select
Manual-Fit
.
- v " " " [
d.
Access the
-
}
menu and select
Y
1
.
-
}
(above the
9
key)
Z
b
e.
Now display the graph.
b
If you change your mind after pressing
b
,
you’ll have to press
^
to get out of the
Manual-Fit
screen.