169
• Note that the above operation can be performed on rectangular coordinate (Y=)
and inequality graphs only.
kk
kk
k Determining a Coordinate (x for a given y/y for a given x)
Example To determine the y-coordinate for x = 0.5 and the x-coordinate for
y = 3.2 in the graph y = x (x + 2) (x – 2)
View Window: (B)
!5(G-Solv)6(g)
1(Y-CAL)
Specify a graph.
cw
• At this time, the unit waits for input of an x-
coordinate value.
Input the x-coordinate value.
a.f
Determine the corresponding y-coordinate value.
w
!5(G-Solv)6(g)
1 23456
1 2 3456
Analyzing a Function Graph 9 - 2