1. Enter the left side of the
inequality into Y1.
2. Enter the right side of the inequality into
3. Enter the inequality into
Y3 using the inequality symbols found
under 2nd MATH (TEST).
Remember the Y1
and Y2 are found
Just as we saw in
Linear Inequalities, a small
bar appears representing the graph of the value
1, showing where the
inequality is true. In this case, the inequality
is true for 2 < x < 5. To determine
the "exact" values for the endpoints, use the
INTERSECT option (2nd
TRACE (CALC) #5 intersect) with
Looking at the table shows that the
alternate between being a 0
(false) and a 1 (true).
(Arrow to the right to "see" the column for
Remember that < will not "include" the