VCE General MathematicsPractice Examination 20

This paper covers

• Data analysis: normal distribution and z-scores, boxplot outliers, least-squares regression (interpretation, prediction, residuals, r²), seasonal indices and trend forecasting
• Recursion and financial modelling: flat-rate vs reducing-balance depreciation, compound interest recurrence, effective interest rate, reducing-balance loan amortisation with final payment, perpetuities
• Matrices: matrix products in context, determinant and inverse for simultaneous equations, transition matrices with steady state and the rule S(n+1) = T.S(n) + B, dominance ranking
• Networks and decision mathematics: Euler trails, minimum spanning tree, shortest path, maximum flow and minimum cut, critical path analysis with 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.