QCE General MathematicsPractice Examination 20

This paper covers

• Financial mathematics: simple and compound interest, reducing-balance loans, annuities/savings plans, effective interest rates, depreciation, GST, CPI/inflation
• Applied trigonometry: Pythagoras, right-angled trig, sine rule, cosine rule, area of triangles, bearings, angles of elevation/depression
• Graphs and networks: minimum spanning trees, shortest path, vertex degree/handshake lemma, connected weighted graphs
• Matrices: order/dimensions, matrix multiplication, real-world cost/flow modelling
• Univariate statistics: five-number summary, IQR, outlier fences, mean, z-scores, frequency tables
• Bivariate data: least-squares regression line, correlation coefficient r, interpolation/extrapolation prediction
• Rates, ratios, percentages, scale, unit conversion and modular/sequence reasoning in real-world bus-network and savings/loan contexts

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.