Unit Test: Slope and Linear Relations
Slope: m = - partial and direct variation - drawing a line given slope and a point- Positive slope, negative slope, zero slope, undefined slope-first differences/slopeEquation of a Line: y = mx + bGraphing a line: -using a table of values-using m and b-using x and y-interceptsStandard Form: Ax + By + C = 0-changing from standard form to y = mx + bParallel and Perpendicular Lines: - parallel lines have the same slope- perpendicular lines have slopes that are negative reciprocalsFind the Equation of a Line:- given a graph- given slope and a point- given two pointsLinear Systems:the solution of a linear system is the point where the lines cross (point of intersection – POI)Communication Review***Graph without solving for the equation of the line!Graph y=4x-5Graph the line parallel to y=4x-5, passing through the point (2, 1)Graph the line perpendicular to y=4x-5, with the same x-intercept as 2x-3y-4=0What is the equation of a line with no y-intercept passing through (-5, 2)What do all x-intercepts have in common? Explain with a graph.What do all y-intercepts have in common? Explain with a graph.Review Questions:Review WorksheetsKhan Academy Practice ................
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