Casio CFX-9800G-w Owners Manual - Page 112

IFITES71TOMFDI, ElY-icp, MaHtworlWaggrrral

Page 112 highlights

MDetermining Maximums and Minimums Example To determine the maximum and minimum for y=x (x + 2).(x - 2): DEW ED W1' Frial FI FFIallgli g(MAX) (This puts the unitinto standby waiting for selection of a graph.) Y=X+1 ma Specify the graph and determine the maximum. Cal Y=X (X+2) (X - 2) MN H=- I. 1541 Pa. 1:1192014 33 Specify-the graph and determine the minimum. El(MIN)C3D TI IFITES71TOMFDI Y=X (X+2) (X - 2) MIM H=615490115 P-3.019201 •If there is more than one maximum/minimum, you can use ® and ® to move between them. olf there is only one graph, pressing E(MAX)/El(MIN) directly displays the maximum/minimum (selection of the graph is not requiredr. • -188- MDetermining y-intercepts Example To determine the y-intercept for y = x + 1: MO 323 IRV MaHtworlWaggrrral El(Y-icp) FO (This puts the unit into standby waiting for selection of a graph.) Y=X+1 V-I[PT Determine the y-intercept. 33 Y=X+ 1 Y-ICPT PI •y-intercepts are the points that the graph intersects the y-axis. •If there is only one graph, pressing Fa (Y-ICP) directlydisplays the y-intercepts (selection of the graph is not required). EDetermining Points of Intersection for Two Graphs Example After drawing the following three graphs, determine the points of intersection for the Graph A and Grabh C. Use the same range parameters as those defined for the examples above: Graph A: y = x + 1 Graph B: y = x (x + 2) (x - 2) Graph C: y = x2 33 I WF FI EMItr7RWIThrrnill FS -189-

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MDetermining
Maximums
and
Minimums
To
determine
the
maximum
and
minimum
for
y=x
(x
+
2).(x
-
2):
1'
W
Frial
I
FFFIallgli
Example
DEW
ED
g(MAX)
(This
puts
the
unit
into
standby
waiting
for
selec-
tion
of
a
graph.)
Specify
the
graph
and
determine
the
maximum.
Cal
33
Specify
-the
graph
and
determine
the
minimum.
El(MIN)C3D
Y=X+
1
ma
Y=X
(X+2) (X
-
2)
MN
H=-
I.
1541
Pa.
1:1192014
TI
IFITES71TOMFDI
Y=X
(X+2) (X
-
2)
MIM
H=615490115
P-3.019201
If
there
is
more
than
one
maximum/minimum,
you
can
use
®
and
®
to
move
between
them.
olf
there
is
only
one
graph,
pressing
E(MAX)/El(MIN)
directly
displays
the
maximum/mini-
mum
(selection
of
the
graph
is
not
requiredr.
MDetermining
y
-intercepts
To
determine
the
y
-intercept
for
y
=
x
+
1:
Example
MO
323
El(Y-icp)
(This
puts
the
unit
into
standby
waiting
for
selec-
tion
of
a
graph.)
Determine
the
y
-intercept.
33
IRV
MaHtworlWaggrrral
FO
Y=X+1
V-I[PT
Y=X+
1
Y-ICPT
PI
•y
-intercepts
are
the
points
that
the
graph
intersects
the
y-axis.
If
there
is
only
one
graph,
pressing
Fa
(Y-ICP)
directly
displays
the
y
-intercepts
(selec-
tion
of
the
graph
is
not
required).
EDetermining
Points
of
Intersection
for
Two
Graphs
After
drawing
the
following
three
graphs,
determine
the
points
of
inter-
section
for
the
Graph
A
and
Grabh
C.
Use
the
same
range
parameters
as
those
defined
for
the
examples
above:
Graph
A:
y
=
x
+
1
Graph
B:
y
=
x
(x
+
2)
(x
-
2)
Graph
C:
y
=
x
2
Example
33
I
WF
FI
EMItr7RWIThrrnill
FS
-188-
-189-