ATAR Notes: Forum

Archived Discussion => 2009 => End-of-year exams => Exam Discussion => Victoria => Further Mathematics => Topic started by: magnum on November 05, 2009, 12:01:15 am

Title: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: magnum on November 05, 2009, 12:01:15 am
The moment we've all been waiting for...

Worked Solutions from itute


EDIT: Revised solutions, now without errors
Title: Re: 2009 Further Maths - Exam 2: Worked Solutions (ALL Modules!)
Post by: stonecold on November 05, 2009, 12:06:10 am
Question 4, Graphs and Relations is incorrect.

The point (2,7) should be used in the objective function P=1300x+2100y. This then gives maximum profit of $17300.
Title: Re: 2009 Further Maths - Exam 2: Worked Solutions (ALL Modules!)
Post by: magnum on November 05, 2009, 12:07:29 am
Question 4, Graphs and Relations is incorrect.

The point (2,7) should be used in the objective function P=1300x+2100y. This then gives maximum profit of $17300.

Yea i just picked up on that now, i think they're wrong on that one

(btw i didnt make these solutions lol)
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: Ilovemathsmeth on November 05, 2009, 12:21:26 am
They made a mistake in Geometry too. The area of the pentagon is 1548 cm squared. They use heron's formula incorrectly assuming side OP is 30 cm, but it is 25.52, as proved from past question.
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: ashok on November 05, 2009, 07:26:26 am
For that networks question i wrote all the vertices that are vistited twice instead of 5. Will they except that?
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: Zoe on November 05, 2009, 08:02:12 am
For question 4d in networks, I assumed that there had to be a dummy activity connecting B to L since the network has to give a LST of 5 and clearly can't if B is on the critical path.
Anyone else do this?
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: lucyk on November 05, 2009, 08:16:06 am
with the volume removed one- wouldn't you say that 30cm was removed so work it out like (30/50)^3??
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: monty711 on November 05, 2009, 09:05:57 am
Yay, that means according to the itute solutions I got 38/40 on Exam 1 and 86/90 on exam 2 :D
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: Hooligan on November 05, 2009, 01:02:02 pm
They made a mistake in Geometry too. The area of the pentagon is 1548 cm squared. They use heron's formula incorrectly assuming side OP is 30 cm, but it is 25.52, as proved from past question.

YES. I thought I was wrong for a second there, but I was pretty sure my working was right.
PHEW. :D
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: Hooligan on November 05, 2009, 04:17:12 pm
Yay, that means according to the itute solutions I got 38/40 on Exam 1 and 86/90 on exam 2 :D

/90 for exam 2? I thought it was out of 60....  ???

.... unless you did all modules.....  :o
Title: Re: 2009 Further Maths [Exam 2]: Worked Solutions!
Post by: Ilovemathsmeth on November 05, 2009, 05:17:38 pm
Hooligan, me too! I looked at that and was like OMG I dropped more marks!! Thank god it's their mistake.