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Yeah they are skipping stuff in the 'solution' Would be better and clearer to turn the 2 lines into directional vector form like (x,y,z)=(3,-1,1)+ μ(2,3,-2) [you can get this by letting all fractions equal μ ] Likewise for the other line Then since they are perpendicular their directional...

I don't have much experience teaching at this level let alone give any proper advice. But from what you described it sounds like(I might be wrong though) your family friend should probably work on his arithmetic first (probably chuck away his calculator if he's already using one) before moving...

There isn't really a heavy dependency on HSC physics for mechanics in maths extension 2. As in you need a level of understanding about what are the forces and know the different form of acceleration but you don't need to know the entire HSC physics syllabus to understand those. After setting up...

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Yes your school assessment mark gets moderated Essentially the actual absolute value itself(like 85% or 75%) doesn't matter but rather your moderated assessment mark depends on all of: 1. Your cohort's exam marks 2. Your ranking on the internal assessment mark 3. The gaps between ranks In...

Design and technology is the worst scaling subject here putting things into perspective: - if you are the 90th percentile in state for design and technology that's 90 HSC mark which gives about 74.2 scaled mark - comparatively for maths extension 1 the 25th percentile (bottom 25%) is around 72...

What's your other subjects and your performance in those? Like shared above the raw marks do not easily compare across subjects. You can also look at https://hscscalinggraphs.au/ to see how different percentile compares across subjects But if your reason is not ATAR but rather motivation...

Why are your parents advising against it? It sounds like you would need to convince them.

Actually I do enjoy teaching more than my day job. Unfortunately it is not financially viable to commit to it full time yet.

I can see both being valuable in different ways and it's up to each individual to see what is appropriate. Textbook questions are helpful for you to master one subsection of a topic such that you can recognise the pattern of when this particular technique apply. Hence it would be sensible to do...

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https://www.uac.edu.au/assets/documents/scaling-reports/preliminary-report-on-the-scaling-of-the-hsc.pdf Table A2: 6%

You can check your school's past performance here easily: https://www.hscninja.com/atar-calculator It is likely your school's performance would vary significantly from year to year. Ultimately your cohort's strength depends on what you make out of it !! For your reference on the scaling of...

It kind of varies a bit depending on what is your current level of knowledge and skills and any gaps you may have had accumulated from earlier years. Whether 'naturally smart' could make a difference but there are many other actionable things which would also be quite important or can compensate...

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It depends on if the A's are regarded the same or not. By the way it is phrased the 2 A's are identical and hence the 'swapped' version is exactly the same and hence only counted once. In your way of reasoning if we regard the A's as 'A1' and 'A2' then there are indeed 2 ways with the A's...

It depends on what you yourself can take away from the teaching. Bear in mind there is a proportion of the content which is either in the old syllabus or beyond syllabus. I can see both why and why not this is helpful to different people. For high achievers this would be quite intellectually...

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Bump - accepting new students as a few of my students are finishing the HSC Please feel free to have a chat about any enquiries. Thanks