Chapter 5: Linear Systems Section 2: Using Algebra
Topics in Algebra 1 © 2001, 2002 Texas Instruments Teacher Notes 5-30
Student Worksheet Notes with Answers
Overview
Tell students:
1. How to find the Overview, if necessary.
2. How to navigate the application, if necessary.
3. To scroll through the Overview on the calculator. Point out new terms, definitions,
and concepts, and tell students to look for them as they go through the Overview.
Observations
The Observations help students review substitution and elimination methods. If necessary, tell
students how to find the
Observations.
Observation 1
Students are asked to solve both systems using either the
substitution method or the elimination method. The systems are
identical except for the choice of variables. Students should become
comfortable with a change in variables and should recognize that
they do not have to do this calculation twice.
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