RELATIONS & FUNCTIONS DOMAIN & RANGE INTERVAL NOTATION VERTICAL LINE TEST FUNCTION NOTATION EVALUATING FUNCTIONS GRAPHING LINEAR EQUATIONS (2 VARIABLES) GRAPH LINEAR INEQUALITIES FINDING SLOPE & WRITING EQUATIONS OF LINES POINT - SLOPE FORM SLOPE - INTERCEPT FORM PARALLEL & PERPENDICULAR LINES SYSTEMS OF LINEAR EQUATIONS ---GRAPHING---SUBSTITUTION---ELIMINATION--- APPLICATIONS OF SYSTEMS OF LINEAR EQUATIONS