Mathematics: Analysis and Approaches · Topic 2: Functions
SL2.1 — Straight lines
Mathematics: Analysis and Approaches · SL / HL · syllabus-mapped notes
Forms of the equation of a line
Gradient-intercept, general and point-gradient forms; finding the gradient and the intercepts.
Parallel and perpendicular lines
The gradient conditions $m_1=m_2$ and $m_1\times m_2=-1$, with gradients of inclines.