College Algebra, 4th Edition

Section 5.2 Systems of Linear Equations in Three Variables

Before Starting this Section, Review

1. 1 Solving a system of equations in two variables (Section 5.1 )

Objectives

1. 1 Solve a system of linear equations in three variables.

2. 2 Classify systems as consistent and inconsistent.

3. 3 Solve nonsquare systems.

4. 4 Interpret linear systems in three variables geometrically.

5. 5 Use linear systems in applications.

CAT Scans

Computerized axial tomography imaging is more commonly known as a “CAT scan” or “CT scan.” Tomography is from the Greek word tomos ...