FREE Download: 2009 NSW BOS Mathematics Extension 1 Solutions – PDF 83KB
FREE Download: 2009 NSW BOS Mathematics Solutions – PDF 78KB
FREE Download: 2009 NSW BOS General Mathematics Solutions – PDF 68KB Thanks to Sue Gilbert for pointing out that the correct solution to 2009 Q 27c is: Mary has the better chance. For Jane, Pr(wins at least one) = 1 – Pr(wins none) = 1 – (0.99)(0.99) = 0.0199.
FREE Download: 2009 VCAA Mathematical Methods (CAS) Exam 2 Solutions – PDF 77KB
FREE Download: 2009 VCAA Mathematical Methods Exam 2 Solutions – PDF 71KB Note: Thanks to aw for pointing out that in Q3cii, p = 1- 0.8985 = 0.1015, answer is 0.3483.
FREE Download: 2009 VCAA Mathematical Methods Exam 1 Solutions – PDF 40KB
FREE Download: 2009 VCAA Further Mathematics Exam 2 – PDF 364KB GM (see below) and David Phillips (Tintern Schools) pointed out that Business Module Q4c) The greater depreciation occurs with the reducing balance method. This greater amount of depreciation is 22000-10953.17=$11046.83. The question does NOT ask for the difference in the two methods.
FREE Download: 2009 VCAA Specialist Mathematics Exam 2 Solutions – PDF 271KB Note: Thanks to John Howes, Matthew Flinders Girls’ Secondary College, for pointing out an error in Section 1 Multiple choice Q13. The time t seconds should read t minutes in the question, otherwise all the choices are incorrect.
FREE Download: 2009 VCAA Further Mathematics Exam 1 Solutions – PDF 62KB
FREE Download: 2009 NSW BOS Mathematics Extension 2 Solutions – PDF 104KB Note: Thanks to Richard Hoang for pointing out that in Q3aiii the sharp point at x = 0 should be a local minimum turning point, and the maxima should be closer to x = +/- 2 than 0.