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B.48. PREP FOR PA ALGEBRA 1 KEYSTONE EXAM alge989 Interpreting the parameters of a linear function that models a real-world situation alge992 Combining functions to write a new function that models a real-world situation alge987 Comparing properties of linear functions given in different forms alge805 Application problem with a linear function: Finding a coordinate given the slope and a point alge806 Application problem with a linear function: Finding a coordinate given two points alge895 Identifying parallel and perpendicular lines from equations geom807 Finding slopes of lines parallel and perpendicular to a line given in the form Ax + By = C geom808 Writing equations of lines parallel and perpendicular to a given line through a point alge991 Solving a linear equation by graphing mstat051 Choosing a graph to fit a narrative : Advanced alge828 Interpreting direct variation from a graph alge982 Identifying direct variation equations alge938 Identifying direct variation from ordered pairs and writing equations alge904 Writing a direct variation equation alge175 Word problem on direct variation alge925 Finding the next terms of an arithmetic sequence with whole numbers alge906 Finding the next terms of an arithmetic sequence with integers alge979 Identifying arithmetic sequences and finding the common difference alge931 Finding a specified term of an arithmetic sequence given the first terms pcalc085 Finding a specified term of an arithmetic sequence given the common difference and first term alge909 Writing an explicit rule for an arithmetic sequence alge908 Finding the first terms of a sequence using a recursive rule alge910 Writing a recursive rule for an arithmetic sequence mstat023 Scatter plots and correlation mstat030 Sketching the line of best fit mstat068 Predictions from the line of best fit mstat067 Approximating the equation of a line of best fit and making predictions mstat069 Computing residuals mstat070 Interpreting residual plots mstat071 Linear relationship and the correlation coefficient mstat074 Identifying correlation and causation alge898 Translating the graph of an absolute value function: One step alge899 Translating the graph of an absolute value function: Two steps alge913 Graphing an absolute value equation of the form y = A—x— alge900 Graphing an absolute value equation in the plane: Basic alge168 Graphing an absolute value equation in the plane: Advanced alge901 How the leading coefficient affects the graph of an absolute value function alge954 Graphing a parabola of the form y = ax2 alge955 Graphing a parabola of the form y = ax2 + c alge262 Graphing a cubic function of the form y = ax3 fun030 Evaluating a piecewise-defined function fun031 Graphing a piecewise-defined function Systems alge914 Identifying solutions to a system of linear equations alge075 Classifying systems of linear equations from graphs alge725 Graphically solving a system of linear equations alge751 Solving a system of linear equations using substitution alge915 Solving a system of linear equations using elimination with addition alge076 Solving a system of linear equations using elimination with multiplication and addition alge916 Solving a system of linear equations with fractional coefficients alge917 Solving a system of linear equations with decimal coefficients alge752 Solving a system of linear equations that is inconsistent or consistent dependent alge753 Solving a system of 3 linear equations in 3 unknowns alge988 Identifying the operations used to create equivalent systems of equations alge263 Interpreting the graphs of two functions alge078 Solving a word problem involving a sum and another basic relationship using a system of linear equations alge919 Solving a word problem using a system of linear equations of the form Ax + By = C alge918 Solving a word problem using a system of linear equations of the form y = mx + b 671
