## Archive for the ‘2009 Maths’ Category

### FREE Download: 2009 NSW BOS Mathematics Solutions

Tuesday, November 17th, 2009### FREE Download: 2009 NSW BOS General Mathematics Solutions

Saturday, November 14th, 2009FREE Download: 2009 NSW BOS General Mathematics Solutions – PDF 68KB

**Sue Gilbert**for pointing out that the correct solution to 2009 Q 27c is:

### FREE Download: 2009 VCAA Mathematical Methods (CAS) Examination 2 Solutions

Tuesday, November 10th, 2009### FREE Download: 2009 VCAA Mathematical Methods Examination 2 Solutions

Monday, November 9th, 2009FREE 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 Examination 1 Solutions

Friday, November 6th, 2009### FREE Download: 2009 VCAA Further Mathematics Examination 2 Solutions

Wednesday, November 4th, 2009FREE 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 Examination 2 Solutions

Tuesday, November 3rd, 2009FREE 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 Examination 1 Solutions

Tuesday, November 3rd, 2009### FREE Download: 2009 NSW BOS Mathematics Extension 2 Solutions

Sunday, November 1st, 2009FREE 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.

Thanks to * Andrew Badawy* for pointing out that Question 2d asked for arg(z-1) in [-pi/4, pi/4], but arg(z) in [-pi/4, pi/4] was sketched.