Step & Key Operation | Display | Notes |
(When using | (When using |
|
*Use either pen touch or cursor to operate. |
|
|
GRAPH or or or
- | ) | 1 • 6 + |
( |
|
2 X 1•8 ...
(Continuing key operations omitted.)
Points in the solution region are (2.8,
. ➞This does not materialize.
. ➞This does not materialize. (2.8,
. ➞This materializes.
➞This materializes.
Graphical solution methods not only offer instructive visualization of the solution process, but they can be applied to inequalities that are often very difficult to solve algebraically. The