IB MYP 5 Mathematics | Criterion B Investigation — The Modulus Function f(x) = |x| | Answer Key & Markscheme IncludedA complete, print-ready Criterion B investigation that takes students from first observations to a fully justified generalization — exploring how the slope of the line g(x) = mx + 1 determines the number of solutions to |x| = mx + 1. Designed to assess Criterion B (Investigating Patterns) against the IB MYP rubric, with built-in scaffolding from Levels 1–2 through Levels 7–8. Eve