Quick links:► downloadable teaching materials for vector equations of lines► syllabus content for the Vectors Topic: SL syllabus (see syllabus sections 4.3 & 4.4 ); HL syllabus (see syllabus sections 4.3 & 4.4 ).There is a significant difference between Maths HL and Maths SL with regard to the syllabus content for equations of lines associated with the application of vectors. SL students are required to know about...