# Quadratic functions & equations

There is virtually no difference between SL and HL for the syllabus content on quadratic functions & equations. All of the content is at SL level and includes:SL 2.7 Solving quadratic equations and inequalities; using factorization, completing the square (vertex form); quadratic formula; discriminant and nature of roots: 2 distinct real roots, 2 equal real roots, no real roots.SL 2.8 The reciprocal function 1/x: its...

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