Texas Instruments TI-83 Plus Manual Book page 113

Chapter 4: Linear Inequalities
³ Try-It!é on Your TI.83 Plus or TI.73
Solution Search Using X-Y Graphs:
using number sense and then find the solution set using a calculator.
X 1<1
6. when
X 1 < 1 X< 2
7. Answers may vary. Students can trace the graph to see the result.
Additional Problems
Students investigate inequalities using
solution set. See the student worksheet for calculator details. Students must set appropriate
graphing windows in order to see the graphs. Graphing windows shown use (
which sets X and Y

1. 2X+3 7
> M
2.
X+4 3
3. 0.5XN1 < 2
‚ M
4.
XN2 3
Topics in Algebra 1
Tell students to first estimate the solution for the inequality
.
X-Y
values so that M
10 value
© 2001 Texas Instruments
Section 1: Using Graphs & Tables
graphs to compare numbers in order to create the
10 .
ZStandard ,
Teacher Notes 4-10