Casio fx-CG10 Advanced Operation Manual page 74

Sample Solution—Thrill of the Ride
Before determining our model, we will set the picture of the roller coaster as the
background on the calculator.
Then,
Set the W W indow to Manual. We have also turned the axes and grid off.
Arrow down to B B ackground and press
available to load as background. Pressing
arrow keys, you can find the image you want to load as background. When
you have the image of the roller coaster highlighted (Roller
(OPEN), and
If you want to see how close your solution comes to ours, do not change your
window from this point on, as the picture does not change even when the
window does.
Press
Though we won't use it, the calculator will need something to start a graph.
Label L L ist 1 as XVAL and L L ist 2 as YVAL. To enter subtitles in, make sure the
cursor is in the S S UB row, press
you to access all letters in red. When finished inputting the subtitle, press
The calculator will automatically populate the first values with 0 in each list.
We will change these soon.
Press (GRAPH), then
List 2 as y. For better visibility, we've used the "x" as the mark type and set
the color as green.
Press , then
coaster appears.
Press
Move the cursor around the screen to find several points on the section of
roller coaster on which people are riding, pressing
you believe are reasonably accurate. Be sure to identify their coordinates. We
have tried to locate our points on the bottom of the track. The pictures show
two of the thirteen points we identified.
Fostering Advanced Algebraic Thinking with Casio Technology
In the Statistics mode, press
(Yes) to accept the pre-selected values for the V-Window.
(Quit) to back out to the list screens.
(SET) to set up a scatterplot with L L ist 1 as x and
(GRAPH1) to draw the graph, making sure the roller
(Sketch), for more options,
(OPEN) to see which files are
(DETAIL) and the up and down
for A-LOCK, Alpha Lock. This allows
(PLOT), and
when you have points
(SET UP).
~
1), press ,
.
(Plot On).