Education Technology

Solving Systems using Elimination

Subject Area
Math: Algebra II: Systems of Linear Equations and Inequalities
Level
9-12
Activity Time
45 Minutes
Software
TI-Nspire™ CX
TI-Nspire™ CX CAS
TI Calculator
TI-Nspire™ CX series
TI-Nspire™ CX CAS/CX II CAS
TI-Nspire Version
4.5
Resource Types
Lessons
Format
TNS

Solving Systems using Elimination

Activity Overview

Solve systems of three equations using the elimination method.

Objectives

  • Students will be able to solve a system of three equations with three unknowns using the elimination method.

Vocabulary

  • system of equations
  • elimination method

About the Lesson

This lesson involves solving systems of three equations using the elimination method. As a result, students will:

  • Choose which variable to eliminate.
  • Enter the multiplication factor in order to eliminate a variable.
  • Solve the system by solving the final one-variable equation and then substituting back into prior equations.
  • Subject Area
    Math: Algebra II: Systems of Linear Equations and Inequalities
    Level
    9-12
    Activity Time
    45 Minutes
    Software
    TI-Nspire™ CX
    TI-Nspire™ CX CAS
    TI Calculator
    TI-Nspire™ CX series
    TI-Nspire™ CX CAS/CX II CAS
    TI-Nspire Version
    4.5
    Resource Types
    Lessons
    Format
    TNS
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