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College Algebra by Stewart/Redlin/Watson
SUMMARY

Chapter 2:  Coordinates and Graphs

Section 2.1: The Coordinate Plane (page 150)

Coordinate Plane

Section 2.2: Graphs of Equations in Two Variables (page 160)

Solutions and Graphs of Equations in Two Variables

Equation of a Circle

 

Section 2.4: Graphs of Linear Equations in Two Variables -- Lines (page 148)

Lines and Linear Equations -Fundamentals

Equations of a Line

 

Section 2.4A: Graphs of Quadraic Equations in Two Variables -- Parabola (supplemental)

Solutions and Graphs of Equations in Two Variables