VCE General MathematicsPractice Examination 3

This paper covers

• Q1 Data analysis: 68-95-99.7 rule with z-scores, boxplot/outlier (IQR fence), least-squares interpretation/prediction/residual, and a 4-quarter time series (seasonal index, deseasonalise, trend-line forecast, reseasonalise) - all using clean verified numbers.
• Q2 Recursion & finance: arithmetic recurrence (Myki balance), reducing-balance depreciation as a geometric sequence, compound interest, a reducing-balance loan via Finance Solver (payment, balance, total interest) and a perpetuity scholarship fund.
• Q3 Matrices: revenue by matrix product, 2x2 determinant/inverse to solve simultaneous equations, regular transition matrix with steady state, and the S(n+1)=T*S(n)+B recurrence with an added constant matrix.
• Q4 Networks & decision maths: graph terminology and Euler path condition, minimum spanning tree (Prim/Kruskal) total weight, and full project scheduling - forward/backward pass, float, critical path A-C-F-G (17 weeks) 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.