Using slope to partition a line segment AB with ratio a/b on a coordinate plane.
A cartoon character stands beside a graph illustrating the partitioning of line segment AB with ratio a/b, showing points A (x₁, y₁) and B (x₂, y₂), with formula P = (x₁ + c(x₂ - x₁), y₁ + c(y₂ - y₁)) and c = a/(a+b).