Texas Instruments TI-83 Plus Manual Book page 106

Chapter 4: Linear Inequalities
Section 1: Using Graphs & Tables
Activities
(continued)
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Topics in Algebra 1
Name
Date
Worksheet Activity 1
Use the number lines below to estimate the solution set of the
following inequalities. Use number sense to place a scale on each
number line so that you are able to show the solution set. Check
several points as shown in the previous activity. Show all of your
work.
1. x + 2.5 < 7
2. x N 3.6  M2
3 1
3.
x + > 4
4 8
Worksheet Activity 2
Use the table of the expression
2.5X 1<3 . First estimate the answer, and then use number sense
to determine the exact answer. Write your strategy for the
solution, and draw the solution set on a number line.
2.5X 1<3
© 2001 Texas Instruments
2.5X 1 at the left to find out when
Student Worksheet 4-3