Khan Academy Static

Topic_A_Writing_and_solving_linear_equations

Topic A includes lessons 1-9 and covers writing equations using symbols, linear and nonlinear expressions in 𝑥, linear equations in 𝑥, solving a linear equation, writing and solving linear equations, solutions of a linear equation, classification of solutions, linear equations in disguise, and an application of linear equations. (Currently, we do not have content for Lessons 2 and 5.)

Topic_C_Slope_and_equations_of_lines

Topic C includes lessons 15-23 and covers the slope of a non-vertical line, the computation of the slope of a non-vertical line, the line joining two distinct points of the graph 𝑦 = 𝑚𝑥 + 𝑏 has Slope 𝑚, there Is only one line passing through a given point with a given slope, the graph of a linear equation in two variables is a line, every line is a graph of a linear equation, some facts about graphs of linear equations in two variables, constant rates revisited, and the defining equation of a line.

Topic_B_Linear_equations_in_two_variables_and_their_graphs

Topic B includes lessons 10-14 and covers a critical look at proportional relationships, constant rate, linear equations in two variables, the graph of a linear equation in two variables, and the graph of a linear equation―horizontal and vertical lines.

Topic_D_Systems_of_linear_equations_and_their_solutions

Topic D includes lessons 24-30 and covers introduction to simultaneous equations, geometric interpretation of the solutions of a linear system, characterization of parallel lines, nature of solutions of a system of linear equations, another computational method of solving a linear system, word problems, and conversion between celsius and fahrenheit.