VCE General MathematicsPractice Examination 7

This paper covers

• Q1 Data analysis: normal distribution and the 68-95-99.7% rule, z-scores, five-number summary and outlier testing, least-squares regression (slope interpretation, prediction, residuals, coefficient of determination), seasonal indices and deseasonalisation
• Q2 Recursion and financial modelling: unit-cost and reducing-balance depreciation, recurrence relations, compound interest investments, effective annual interest rate, reducing-balance loan amortisation with Finance Solver, perpetuities
• Q3 Matrices: matrix products and order, determinant and inverse of a 2x2 matrix for simultaneous equations, transition matrices and state matrices, steady state, the rule S(n+1) = T.S(n) + B, communication matrices and two-step connections
• Q4 Networks and decision mathematics: vertex degrees with Euler circuits and trails, minimum spanning tree, shortest path, maximum flow and minimum cut, project scheduling with EST/LST, critical path, float and crashing

Students are permitted to bring into the examination the materials normally allowed for this subject. Answer all questions in the spaces provided.

This is an ATARMAxxing practice paper. It is not an official examination and is not affiliated with, endorsed by, or produced by the VCAA, NESA or the QCAA.