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DrDelMath PRECALCULUS by Barnett/Ziegler/Byleen |
Preliminary: Review of Some Basic Facts
Preliminary P-1: The Coordinate Plane
Preliminary P-2: Graphs of Equations in Two Variables
Preliminary P-3: Graphs of Linear Equations in Two Variables -- Lines
Preliminary P-4: Graphs of Quadraic Equations in Two Variables -- Parabola