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I'm doing 3U which includes 2U. We've done, in this order: Basic Arithmetic and Algebra Trigonometry Functions Linear Functions Plane Geometry Quadratic Polynomial and Parabolas Calculus (only half-way through) In my school the 2U class is separate from the 3U class. I believe the 2U class has...

That sucks buddy. I remember in year 10 when my favourite maths teacher got transferred. I feel your pain.

You're doing trial papers? You're in year 11, aren't you?

Only keep it if you enjoy it or need it for university.

So what subject are we all dropping next year? Dropping to 12 or 10 units? I'm dropping Business and Engineering and picking up 4U for 10 units.

Yep, can't wait to drop business.

Thank you.

\text{The point P(x, y) moves so that its distance AP from the point A(5, 1) is always twice its distance BP from the point B(-1,4).}\\\text{Show that the equation of the locus is: }x^2+y^2+6x-10y+14=0} I seem to be getting an answer different to the locus given.

Re: HSC 2015 3U Marathon I stumped my class with this one today: \text{Make y the subject of the formula}\\2\sqrt{x}\sqrt{y}-y+x^2=x

A half life if the time it takes for half of a substance to decay. If the half life is 300 years, after 300 years, there will be half the material. However, if you wait another 300 years, you will have half of what you had after 300 years. So in 600 years you have 1/4 the material remaining. In...

Me.

But it's school holidays, no one is in the office. I don't know his first name, and I don't know if there is a number either.

Hi everyone, I have a school assignment which is due on the first day back to school (Tuesday 14th). I need to get in contact with my teacher before that in order to clarify something on the assignment. Is there some sort of directory of teacher email addresses for teachers who go to my...

Business studies. I enjoyed it at the start of the year, but it has become so mundane, boring and rote. I can't wait to drop it next year.

I think english being subjective is subjective, lol. One person's interpretation of a text may differ from another's, but as long as you can back up your interpretation with evidence from the text, you will get marks. It's about demonstrating your ability to perceive meaning from texts. Whether...

How is english a dodgy subject? How is it subjective?

I was just doing a past paper and my answer to a question didn't match the answer in the answers. Here's the question. A magician decides to use an electric field to levitate (float) a light plastic ball in the air. The ball has a mass of 15 grams and can be given a charge of +0.5 coulombs...

It's a cohort of about 90 students. Physics is on the same line as music and legal studies, so not many did physics. Also, what's the big deal about cohorts? Aren't you competing against the state? I'd probably rather have a larger cohort so I have more competition to motivate me.

I just got my report, thought I'd share my rankings. English (Advanced) 13/25 Mathematics 1/27 Mathematics Extension 1 1/8 Engineering Studies 1/17 Chemistry 1/18 Physics 1/13 Business Studies 3/41

I'm envious you all have received your reports. My school is being rather slow about getting the reports out this time around. In physics we are currently studying Electrical Energy in the Home, and my teacher has explained the first couple sections of the syllabus (current, voltage...