Mathematics: Analysis and Approaches · Topic 2: Functions
AHL2.13 — Rational functions and their asymptotes
Mathematics: Analysis and Approaches · SL / HL · syllabus-mapped notes
Quadratic over linear: $\dfrac{ax^2+bx+c}{dx+e}$
Graphs with a vertical asymptote and an oblique (slant) asymptote, found by division.
Linear over quadratic: $\dfrac{ax+b}{cx^2+dx+e}$
Graphs with up to two vertical asymptotes and horizontal asymptote $y=0$.