Khan Academy Static

Learn all about equations of parallel and perpendicular

4001_Parallel_lines_from_equation_example_2_.html

4007_Proof_perpendicular_lines_have_negative_reciprocal_slope.html

4003_Perpendicular_lines_from_equation.html

4005_Writing_equations_of_perpendicular_lines_example_2_.html

4004_Writing_equations_of_perpendicular_lines.html

4000_Parallel_lines_from_equation.html

4006_Proof_parallel_lines_have_the_same_slope.html

4002_Parallel_lines_from_equation_example_3_.html

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