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Chapter 1: distance formula midpoint division point (point along a line) slope of a line parallel line (same slope), perpendicular lines (slope is -1/a_ equation of a line y = ax + b general form 0 = Ax + By + C (put it into function form) y intercept, x intercept inequalities y < ax + b (shading) systems of linear relations (substitution, comparison, elimination) Chapter 2 Stats: mean, median, mode, percentile (find a percentile OR given a percentile find a value) Correlation of 2 variable, strong versus weak correlation (strong is 1 or -1) weak is near 0 r correlation coefficient Chapter 3 Congruent triangles SSS, SAS, ASA all sides are equal Similar triangles AA, SAS, SSS Find missing sides, missing angles ·Metric Relations (look for a triangle, with an altitude and the 90 degree angle notation) Chapter 4 Functions Step, Linear (y=ax + b), second degree, exponential, periodic Find values of x or y, find the rule, graph, etc and word problems Chapter 5 Trig, Sine Law, Area of a triangle (hero, sandwich), missing sides Chapter 6 probability of an event, odds, expected outcome