Chapter 2: Graphs 2.1 Intercepts; Symmetry; Graphing Key Equations MAC1140 2_1 Practice Problems MAC1140 2_1 Practice Problems sols 2.2 Lines MAC1140 2_2 Practice Problems MAC1140 2_2 Practice Problems solutions 2.3 Circles MAC1140 2_3 Practice Problems MAC1140 2_3 Practice Problems sols 2.4 Variation MAC1140 2_4 Practice Problems MAC1140 2_4 Practice Problems sols