Elementary AlgebraLinear Equations and their GraphsSlopeEquations of Lines in Slope-Intercept FormPoint-Slope FormSystems of Linear Equations and InequalitiesElementary AlgebraA review of concepts and computational skillsChapters 3-4Linear Equations and their GraphsGraphing points and linesCoordinate systemQuadrantsx-axis and y-axisOrdered pairs (x, y)Graphing linear equations Ax + By = C using x|y tables (ordered pairs)Horizontal and Vertical linesSlopeSlope- steepness of a lineChange in y / change in xRise over runFind slope from graphFind slope given 2 pointsSlope for horizontal and vertical linesGraph a line given slope and a point on the lineParallel and perpendicular linesEquations of Lines in Slope-Intercept FormSlope-intercept form: y = mx + bUse to graph a lineWrite an equation given slope and y-interceptPoint-Slope FormPoint-slope form: y - y1 = m(x – x1)Write an equation given point and slopeWrite an equation given 2 pointsSystems of Linear Equations and InequalitiesGraphing a system of equationsSolving by graphingIndependent, dependent and inconsistent systems and their graphsSubstitution methodElimination methodGraphing linear inequalities and