Identify the following expressions as true or false. If true. prove the result: if faIse. give a counterexample. (u) ('H' ~(tu.) +u (b) t ~ ,) ~ '''' (e) ~ (t",b} u'][~b l

Lines (Day 2) 9/27/16 lin Parallel e lines intersectio (Parallel Lines never n cross) Y axis Perpendicular lines (horizontal, vertical) (-2,0) (0,1) X axis The points on a line satisfy the equation of the form Ax + By + C = 0. rise change(y) Slope= Slope = m = (y 1y 2/ run change(x) (x1-x2) Lines (Day 2) 9/27/16 M = -1 M = 1 M = 2 M = ½ (bigger slopes = Equations: - Standard Form Ax + By + C = 0 - Slope-Intercept y=mx + B - Slope = m - Y-int = b (0,b) - Point-Slope y-y = m (x-x ) 1 1 - Slope = m - (x1,1 ) = any point Example